51074131 has 2 divisors, whose sum is σ = 51074132. Its totient is φ = 51074130.

The previous prime is 51074113. The next prime is 51074173. The reversal of 51074131 is 13147015.

Together with previous prime (51074113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51074131 - 2⁷ = 51074003 is a prime.

It is a super-2 number, since 2×51074131² = 5217133714810322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51074731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25537065 + 25537066.

It is an arithmetic number, because the mean of its divisors is an integer number (25537066).

Almost surely, 2^51074131 is an apocalyptic number.

51074131 is a deficient number, since it is larger than the sum of its proper divisors (1).

51074131 is an equidigital number, since it uses as much as digits as its factorization.

51074131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 51074131 is about 7146.6167520023. The cubic root of 51074131 is about 371.0225694211.

The spelling of 51074131 in words is "fifty-one million, seventy-four thousand, one hundred thirty-one".