4155131 has 4 divisors (see below), whose sum is σ = 4194072. Its totient is φ = 4116192.

The previous prime is 4155121. The next prime is 4155161. The reversal of 4155131 is 1315514.

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 4155131 - 2¹⁰ = 4154107 is a prime.

It is a super-2 number, since 2×4155131² = 34530227254322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155121) 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, 19310 + ... + 19523.

It is an arithmetic number, because the mean of its divisors is an integer number (1048518).

Almost surely, 2^4155131 is an apocalyptic number.

4155131 is a deficient number, since it is larger than the sum of its proper divisors (38941).

4155131 is a wasteful number, since it uses less digits than its factorization.

4155131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38940.

The product of its digits is 300, while the sum is 20.

The square root of 4155131 is about 2038.4138441445. The cubic root of 4155131 is about 160.7662593291.

It can be divided in two parts, 415513 and 1, that added together give a palindrome (415514).

The spelling of 4155131 in words is "four million, one hundred fifty-five thousand, one hundred thirty-one".