257013151 has 2 divisors, whose sum is σ = 257013152. Its totient is φ = 257013150.

The previous prime is 257013103. The next prime is 257013161. The reversal of 257013151 is 151310752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 257013151 - 2¹³ = 257004959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (257013161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128506575 + 128506576.

It is an arithmetic number, because the mean of its divisors is an integer number (128506576).

Almost surely, 2^257013151 is an apocalyptic number.

257013151 is a deficient number, since it is larger than the sum of its proper divisors (1).

257013151 is an equidigital number, since it uses as much as digits as its factorization.

257013151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 257013151 is about 16031.6297050549. The cubic root of 257013151 is about 635.7969624360.

The spelling of 257013151 in words is "two hundred fifty-seven million, thirteen thousand, one hundred fifty-one".