256792451 has 2 divisors, whose sum is σ = 256792452. Its totient is φ = 256792450.

The previous prime is 256792439. The next prime is 256792453. The reversal of 256792451 is 154297652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 256792451 - 2¹⁴ = 256776067 is a prime.

Together with 256792453, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 256792399 and 256792408.

It is not a weakly prime, because it can be changed into another prime (256792453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128396225 + 128396226.

It is an arithmetic number, because the mean of its divisors is an integer number (128396226).

Almost surely, 2^256792451 is an apocalyptic number.

256792451 is a deficient number, since it is larger than the sum of its proper divisors (1).

256792451 is an equidigital number, since it uses as much as digits as its factorization.

256792451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 41.

The square root of 256792451 is about 16024.7449589689. The cubic root of 256792451 is about 635.6149217205.

The spelling of 256792451 in words is "two hundred fifty-six million, seven hundred ninety-two thousand, four hundred fifty-one".