512257942 has 32 divisors (see below), whose sum is σ = 896624640. Its totient is φ = 214952640.

The previous prime is 512257939. The next prime is 512257969. The reversal of 512257942 is 249752215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231003 + ... + 233209.

It is an arithmetic number, because the mean of its divisors is an integer number (28019520).

Almost surely, 2^512257942 is an apocalyptic number.

512257942 is a deficient number, since it is larger than the sum of its proper divisors (384366698).

512257942 is a wasteful number, since it uses less digits than its factorization.

512257942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556.

The product of its digits is 50400, while the sum is 37.

The square root of 512257942 is about 22633.1160470670. The cubic root of 512257942 is about 800.1343222373.

The spelling of 512257942 in words is "five hundred twelve million, two hundred fifty-seven thousand, nine hundred forty-two".