521454152 has 32 divisors (see below), whose sum is σ = 991038720. Its totient is φ = 257195520.

The previous prime is 521454149. The next prime is 521454181. The reversal of 521454152 is 251454125.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283877 + ... + 285707.

It is an arithmetic number, because the mean of its divisors is an integer number (30969960).

Almost surely, 2^521454152 is an apocalyptic number.

It is an amenable number.

521454152 is a deficient number, since it is larger than the sum of its proper divisors (469584568).

521454152 is a wasteful number, since it uses less digits than its factorization.

521454152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301 (or 2297 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

The square root of 521454152 is about 22835.3706341719. The cubic root of 521454152 is about 804.8940369508.

The spelling of 521454152 in words is "five hundred twenty-one million, four hundred fifty-four thousand, one hundred fifty-two".