51024031 has 2 divisors, whose sum is σ = 51024032. Its totient is φ = 51024030.

The previous prime is 51024023. The next prime is 51024059. The reversal of 51024031 is 13042015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51024031 - 2³ = 51024023 is a prime.

It is a super-2 number, since 2×51024031² = 5206903478977922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51023996 and 51024014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51024431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25512015 + 25512016.

It is an arithmetic number, because the mean of its divisors is an integer number (25512016).

Almost surely, 2^51024031 is an apocalyptic number.

51024031 is a deficient number, since it is larger than the sum of its proper divisors (1).

51024031 is an equidigital number, since it uses as much as digits as its factorization.

51024031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 51024031 is about 7143.1107369269. The cubic root of 51024031 is about 370.9012143660.

Adding to 51024031 its reverse (13042015), we get a palindrome (64066046).

The spelling of 51024031 in words is "fifty-one million, twenty-four thousand, thirty-one".