4661225131 has 4 divisors (see below), whose sum is σ = 4811587264. Its totient is φ = 4510863000.

The previous prime is 4661225123. The next prime is 4661225143. The reversal of 4661225131 is 1315221664.

It is a happy number.

4661225131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4661225131 - 2³ = 4661225123 is a prime.

It is a super-2 number, since 2×4661225131² = 43454039443731934322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 150362101 = 4661225131 / (4 + 6 + 6 + 1 + 2 + 2 + 5 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4661225093 and 4661225102.

It is not an unprimeable number, because it can be changed into a prime (4661225171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75181020 + ... + 75181081.

It is an arithmetic number, because the mean of its divisors is an integer number (1202896816).

Almost surely, 2^4661225131 is an apocalyptic number.

4661225131 is a deficient number, since it is larger than the sum of its proper divisors (150362133).

4661225131 is a wasteful number, since it uses less digits than its factorization.

4661225131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150362132.

The product of its digits is 8640, while the sum is 31.

The square root of 4661225131 is about 68273.1655264351. The cubic root of 4661225131 is about 1670.4495342827.

Adding to 4661225131 its reverse (1315221664), we get a palindrome (5976446795).

The spelling of 4661225131 in words is "four billion, six hundred sixty-one million, two hundred twenty-five thousand, one hundred thirty-one".