257071103 has 2 divisors, whose sum is σ = 257071104. Its totient is φ = 257071102.

The previous prime is 257071043. The next prime is 257071259. The reversal of 257071103 is 301170752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 257071103 - 2²⁶ = 189962239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257071403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128535551 + 128535552.

It is an arithmetic number, because the mean of its divisors is an integer number (128535552).

Almost surely, 2^257071103 is an apocalyptic number.

257071103 is a deficient number, since it is larger than the sum of its proper divisors (1).

257071103 is an equidigital number, since it uses as much as digits as its factorization.

257071103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 257071103 is about 16033.4370301567. The cubic root of 257071103 is about 635.8447459008.

The spelling of 257071103 in words is "two hundred fifty-seven million, seventy-one thousand, one hundred three".