257052372 has 24 divisors (see below), whose sum is σ = 619137792. Its totient is φ = 82920000.

The previous prime is 257052371. The next prime is 257052377. The reversal of 257052372 is 273250752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257052371) 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, 345129 + ... + 345872.

It is an arithmetic number, because the mean of its divisors is an integer number (25797408).

Almost surely, 2^257052372 is an apocalyptic number.

It is an amenable number.

257052372 is an abundant number, since it is smaller than the sum of its proper divisors (362085420).

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

257052372 is a wasteful number, since it uses less digits than its factorization.

257052372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691039 (or 691037 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 257052372 is about 16032.8528964748. The cubic root of 257052372 is about 635.8293023172.

The spelling of 257052372 in words is "two hundred fifty-seven million, fifty-two thousand, three hundred seventy-two".