256955053 has 2 divisors, whose sum is σ = 256955054. Its totient is φ = 256955052.

The previous prime is 256955033. The next prime is 256955081. The reversal of 256955053 is 350559652.

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., 176278729 + 80676324 = 13277^2 + 8982^2 .

It is a cyclic number.

It is not a de Polignac number, because 256955053 - 2²¹ = 254857901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256954997 and 256955015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256955033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128477526 + 128477527.

It is an arithmetic number, because the mean of its divisors is an integer number (128477527).

Almost surely, 2^256955053 is an apocalyptic number.

It is an amenable number.

256955053 is a deficient number, since it is larger than the sum of its proper divisors (1).

256955053 is an equidigital number, since it uses as much as digits as its factorization.

256955053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 40.

The square root of 256955053 is about 16029.8176221690. The cubic root of 256955053 is about 635.7490513784.

The spelling of 256955053 in words is "two hundred fifty-six million, nine hundred fifty-five thousand, fifty-three".