256092401 has 2 divisors, whose sum is σ = 256092402. Its totient is φ = 256092400.

The previous prime is 256092377. The next prime is 256092451. The reversal of 256092401 is 104290652.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246333025 + 9759376 = 15695^2 + 3124^2 .

It is a cyclic number.

It is not a de Polignac number, because 256092401 - 2¹⁴ = 256076017 is a prime.

It is not a weakly prime, because it can be changed into another prime (256092451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128046200 + 128046201.

It is an arithmetic number, because the mean of its divisors is an integer number (128046201).

Almost surely, 2^256092401 is an apocalyptic number.

It is an amenable number.

256092401 is a deficient number, since it is larger than the sum of its proper divisors (1).

256092401 is an equidigital number, since it uses as much as digits as its factorization.

256092401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 256092401 is about 16002.8872707396. The cubic root of 256092401 is about 635.0368061002.

The spelling of 256092401 in words is "two hundred fifty-six million, ninety-two thousand, four hundred one".