256416053 has 2 divisors, whose sum is σ = 256416054. Its totient is φ = 256416052.

The previous prime is 256416007. The next prime is 256416059. The reversal of 256416053 is 350614652.

256416053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161976529 + 94439524 = 12727^2 + 9718^2 .

It is a cyclic number.

It is not a de Polignac number, because 256416053 - 2⁶ = 256415989 is a prime.

It is a super-4 number, since 4×256416053⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (256416059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128208026 + 128208027.

It is an arithmetic number, because the mean of its divisors is an integer number (128208027).

Almost surely, 2^256416053 is an apocalyptic number.

It is an amenable number.

256416053 is a deficient number, since it is larger than the sum of its proper divisors (1).

256416053 is an equidigital number, since it uses as much as digits as its factorization.

256416053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 256416053 is about 16012.9963779425. The cubic root of 256416053 is about 635.3042153222.

The spelling of 256416053 in words is "two hundred fifty-six million, four hundred sixteen thousand, fifty-three".