257214292 has 12 divisors (see below), whose sum is σ = 452058516. Its totient is φ = 128054720.

The previous prime is 257214289. The next prime is 257214299. The reversal of 257214292 is 292412752.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 124411716 + 132802576 = 11154^2 + 11524^2 .

It is a super-2 number, since 2×257214292² = 132318384018122528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257214299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137059 + ... + 138922.

It is an arithmetic number, because the mean of its divisors is an integer number (37671543).

Almost surely, 2^257214292 is an apocalyptic number.

It is an amenable number.

257214292 is a deficient number, since it is larger than the sum of its proper divisors (194844224).

257214292 is a wasteful number, since it uses less digits than its factorization.

257214292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276218 (or 276216 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 257214292 is about 16037.9017330822. The cubic root of 257214292 is about 635.9627794892.

The spelling of 257214292 in words is "two hundred fifty-seven million, two hundred fourteen thousand, two hundred ninety-two".