256054793 has 2 divisors, whose sum is σ = 256054794. Its totient is φ = 256054792.

The previous prime is 256054769. The next prime is 256054853. The reversal of 256054793 is 397450652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 247369984 + 8684809 = 15728^2 + 2947^2 .

It is a cyclic number.

It is not a de Polignac number, because 256054793 - 2¹⁶ = 255989257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256054793.

It is not a weakly prime, because it can be changed into another prime (256054703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128027396 + 128027397.

It is an arithmetic number, because the mean of its divisors is an integer number (128027397).

Almost surely, 2^256054793 is an apocalyptic number.

It is an amenable number.

256054793 is a deficient number, since it is larger than the sum of its proper divisors (1).

256054793 is an equidigital number, since it uses as much as digits as its factorization.

256054793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 256054793 is about 16001.7121896377. The cubic root of 256054793 is about 635.0057188399.

The spelling of 256054793 in words is "two hundred fifty-six million, fifty-four thousand, seven hundred ninety-three".