521514052 has 24 divisors (see below), whose sum is σ = 1002456000. Its totient is φ = 236291616.

The previous prime is 521514043. The next prime is 521514073. The reversal of 521514052 is 250415125.

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, 147427 + ... + 150922.

It is an arithmetic number, because the mean of its divisors is an integer number (41769000).

Almost surely, 2^521514052 is an apocalyptic number.

It is an amenable number.

521514052 is a deficient number, since it is larger than the sum of its proper divisors (480941948).

521514052 is a wasteful number, since it uses less digits than its factorization.

521514052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298395 (or 298393 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 521514052 is about 22836.6821583171. The cubic root of 521514052 is about 804.9248554524.

Adding to 521514052 its reverse (250415125), we get a palindrome (771929177).

The spelling of 521514052 in words is "five hundred twenty-one million, five hundred fourteen thousand, fifty-two".