257610053 has 2 divisors, whose sum is σ = 257610054. Its totient is φ = 257610052.

The previous prime is 257610049. The next prime is 257610071. The reversal of 257610053 is 350016752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200562244 + 57047809 = 14162^2 + 7553^2 .

It is a cyclic number.

It is not a de Polignac number, because 257610053 - 2² = 257610049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 257609998 and 257610025.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257610043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128805026 + 128805027.

It is an arithmetic number, because the mean of its divisors is an integer number (128805027).

Almost surely, 2^257610053 is an apocalyptic number.

It is an amenable number.

257610053 is a deficient number, since it is larger than the sum of its proper divisors (1).

257610053 is an equidigital number, since it uses as much as digits as its factorization.

257610053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 257610053 is about 16050.2352942254. The cubic root of 257610053 is about 636.2887855951.

The spelling of 257610053 in words is "two hundred fifty-seven million, six hundred ten thousand, fifty-three".