4251045131 has 4 divisors (see below), whose sum is σ = 4252851072. Its totient is φ = 4249239192.

The previous prime is 4251045121. The next prime is 4251045133. The reversal of 4251045131 is 1315401524.

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 4251045131 - 2¹⁰ = 4251044107 is a prime.

It is a super-2 number, since 2×4251045131² = 36142769411597614322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4251045131.

It is not an unprimeable number, because it can be changed into a prime (4251045133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 899435 + ... + 904148.

It is an arithmetic number, because the mean of its divisors is an integer number (1063212768).

Almost surely, 2^4251045131 is an apocalyptic number.

4251045131 is a deficient number, since it is larger than the sum of its proper divisors (1805941).

4251045131 is a wasteful number, since it uses less digits than its factorization.

4251045131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805940.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 4251045131 is about 65200.0393481476. The cubic root of 4251045131 is about 1619.9386669611.

Adding to 4251045131 its reverse (1315401524), we get a palindrome (5566446655).

The spelling of 4251045131 in words is "four billion, two hundred fifty-one million, forty-five thousand, one hundred thirty-one".