51460457 has 2 divisors, whose sum is σ = 51460458. Its totient is φ = 51460456.

The previous prime is 51460433. The next prime is 51460477. The reversal of 51460457 is 75406415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37405456 + 14055001 = 6116^2 + 3749^2 .

It is a cyclic number.

It is not a de Polignac number, because 51460457 - 2¹⁴ = 51444073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51460477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25730228 + 25730229.

It is an arithmetic number, because the mean of its divisors is an integer number (25730229).

Almost surely, 2^51460457 is an apocalyptic number.

It is an amenable number.

51460457 is a deficient number, since it is larger than the sum of its proper divisors (1).

51460457 is an equidigital number, since it uses as much as digits as its factorization.

51460457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 51460457 is about 7173.5944267849. The cubic root of 51460457 is about 371.9556952863.

The spelling of 51460457 in words is "fifty-one million, four hundred sixty thousand, four hundred fifty-seven".