257063371 has 2 divisors, whose sum is σ = 257063372. Its totient is φ = 257063370.

The previous prime is 257063357. The next prime is 257063423. The reversal of 257063371 is 173360752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257063371 - 2⁷ = 257063243 is a prime.

It is a super-3 number, since 3×257063371³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (257063671) 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, 128531685 + 128531686.

It is an arithmetic number, because the mean of its divisors is an integer number (128531686).

Almost surely, 2^257063371 is an apocalyptic number.

257063371 is a deficient number, since it is larger than the sum of its proper divisors (1).

257063371 is an equidigital number, since it uses as much as digits as its factorization.

257063371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 257063371 is about 16033.1959072419. The cubic root of 257063371 is about 635.8383710097.

The spelling of 257063371 in words is "two hundred fifty-seven million, sixty-three thousand, three hundred seventy-one".