257197014 has 12 divisors (see below), whose sum is σ = 557260236. Its totient is φ = 85732332.

The previous prime is 257197013. The next prime is 257197037. The reversal of 257197014 is 410791752.

It is a happy number.

257197014 is a `hidden beast` number, since 2 + 571 + 9 + 70 + 14 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 257197014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257197013) 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, 7144344 + ... + 7144379.

It is an arithmetic number, because the mean of its divisors is an integer number (46438353).

Almost surely, 2^257197014 is an apocalyptic number.

257197014 is an abundant number, since it is smaller than the sum of its proper divisors (300063222).

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

257197014 is a wasteful number, since it uses less digits than its factorization.

257197014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14288731 (or 14288728 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 257197014 is about 16037.3630625487. The cubic root of 257197014 is about 635.9485392087.

The spelling of 257197014 in words is "two hundred fifty-seven million, one hundred ninety-seven thousand, fourteen".