520974654 has 32 divisors (see below), whose sum is σ = 1085654016. Its totient is φ = 166479360.

The previous prime is 520974631. The next prime is 520974691. The reversal of 520974654 is 456479025.

It is a super-2 number, since 2×520974654² = 542829180220839432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6814 + ... + 32990.

It is an arithmetic number, because the mean of its divisors is an integer number (33926688).

Almost surely, 2^520974654 is an apocalyptic number.

520974654 is an abundant number, since it is smaller than the sum of its proper divisors (564679362).

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

520974654 is a wasteful number, since it uses less digits than its factorization.

520974654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26320.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 520974654 is about 22824.8692000633. The cubic root of 520974654 is about 804.6472505125.

The spelling of 520974654 in words is "five hundred twenty million, nine hundred seventy-four thousand, six hundred fifty-four".