257251014 has 12 divisors (see below), whose sum is σ = 557377236. Its totient is φ = 85750332.

The previous prime is 257251003. The next prime is 257251019. The reversal of 257251014 is 410152752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257251019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7145844 + ... + 7145879.

It is an arithmetic number, because the mean of its divisors is an integer number (46448103).

Almost surely, 2^257251014 is an apocalyptic number.

257251014 is an abundant number, since it is smaller than the sum of its proper divisors (300126222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

257251014 is a wasteful number, since it uses less digits than its factorization.

257251014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14291731 (or 14291728 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 257251014 is about 16039.0465427344. The cubic root of 257251014 is about 635.9930431184.

The spelling of 257251014 in words is "two hundred fifty-seven million, two hundred fifty-one thousand, fourteen".