256200053 has 2 divisors, whose sum is σ = 256200054. Its totient is φ = 256200052.

The previous prime is 256200011. The next prime is 256200083. The reversal of 256200053 is 350002652.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242642929 + 13557124 = 15577^2 + 3682^2 .

It is a cyclic number.

It is not a de Polignac number, because 256200053 - 2¹⁰ = 256199029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256200083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128100026 + 128100027.

It is an arithmetic number, because the mean of its divisors is an integer number (128100027).

Almost surely, 2^256200053 is an apocalyptic number.

It is an amenable number.

256200053 is a deficient number, since it is larger than the sum of its proper divisors (1).

256200053 is an equidigital number, since it uses as much as digits as its factorization.

256200053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 256200053 is about 16006.2504353768. The cubic root of 256200053 is about 635.1257758173.

The spelling of 256200053 in words is "two hundred fifty-six million, two hundred thousand, fifty-three".