51024231 has 24 divisors (see below), whose sum is σ = 75084464. Its totient is φ = 33384960.

The previous prime is 51024227. The next prime is 51024257. The reversal of 51024231 is 13242015.

It is not a de Polignac number, because 51024231 - 2² = 51024227 is a prime.

It is a super-2 number, since 2×51024231² = 5206944298282722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51024031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184065 + ... + 184341.

Almost surely, 2^51024231 is an apocalyptic number.

51024231 is a deficient number, since it is larger than the sum of its proper divisors (24060233).

51024231 is a wasteful number, since it uses less digits than its factorization.

51024231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 51024231 is about 7143.1247364161. The cubic root of 51024231 is about 370.9016989752.

Adding to 51024231 its reverse (13242015), we get a palindrome (64266246).

The spelling of 51024231 in words is "fifty-one million, twenty-four thousand, two hundred thirty-one".