521314492 has 12 divisors (see below), whose sum is σ = 913827600. Its totient is φ = 260220896.

The previous prime is 521314483. The next prime is 521314511. The reversal of 521314492 is 294413125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106393 + ... + 111184.

It is an arithmetic number, because the mean of its divisors is an integer number (76152300).

Almost surely, 2^521314492 is an apocalyptic number.

It is an amenable number.

521314492 is a deficient number, since it is larger than the sum of its proper divisors (392513108).

521314492 is a wasteful number, since it uses less digits than its factorization.

521314492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218180 (or 218178 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 521314492 is about 22832.3124540639. The cubic root of 521314492 is about 804.8221728263.

The spelling of 521314492 in words is "five hundred twenty-one million, three hundred fourteen thousand, four hundred ninety-two".