257412052 has 6 divisors (see below), whose sum is σ = 450471098. Its totient is φ = 128706024.

The previous prime is 257412049. The next prime is 257412059. The reversal of 257412052 is 250214752.

It can be written as a sum of positive squares in only one way, i.e., 257409936 + 2116 = 16044^2 + 46^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 257412052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257412059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32176503 + ... + 32176510.

Almost surely, 2^257412052 is an apocalyptic number.

It is an amenable number.

257412052 is a deficient number, since it is larger than the sum of its proper divisors (193059046).

257412052 is a wasteful number, since it uses less digits than its factorization.

257412052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64353017 (or 64353015 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 257412052 is about 16044.0659435194. The cubic root of 257412052 is about 636.1257250493.

The spelling of 257412052 in words is "two hundred fifty-seven million, four hundred twelve thousand, fifty-two".