257060533 has 2 divisors, whose sum is σ = 257060534. Its totient is φ = 257060532.

The previous prime is 257060501. The next prime is 257060537. The reversal of 257060533 is 335060752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205119684 + 51940849 = 14322^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 257060533 - 2⁵ = 257060501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 257060495 and 257060504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257060537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128530266 + 128530267.

It is an arithmetic number, because the mean of its divisors is an integer number (128530267).

Almost surely, 2^257060533 is an apocalyptic number.

It is an amenable number.

257060533 is a deficient number, since it is larger than the sum of its proper divisors (1).

257060533 is an equidigital number, since it uses as much as digits as its factorization.

257060533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 257060533 is about 16033.1074031206. The cubic root of 257060533 is about 635.8360310990.

The spelling of 257060533 in words is "two hundred fifty-seven million, sixty thousand, five hundred thirty-three".