257512452 has 24 divisors (see below), whose sum is σ = 617102976. Its totient is φ = 83517408.

The previous prime is 257512433. The next prime is 257512457. The reversal of 257512452 is 254215752.

It is not an unprimeable number, because it can be changed into a prime (257512457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289548 + ... + 290435.

It is an arithmetic number, because the mean of its divisors is an integer number (25712624).

Almost surely, 2^257512452 is an apocalyptic number.

It is an amenable number.

257512452 is an abundant number, since it is smaller than the sum of its proper divisors (359590524).

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

257512452 is a wasteful number, since it uses less digits than its factorization.

257512452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580027 (or 580025 counting only the distinct ones).

The product of its digits is 28000, while the sum is 33.

The square root of 257512452 is about 16047.1945211616. The cubic root of 257512452 is about 636.2084183040.

It can be divided in two parts, 25751 and 2452, that added together give a triangular number (28203 = T₂₃₇).

The spelling of 257512452 in words is "two hundred fifty-seven million, five hundred twelve thousand, four hundred fifty-two".