520321376 has 12 divisors (see below), whose sum is σ = 1024382772. Its totient is φ = 260160672.

The previous prime is 520321369. The next prime is 520321379. The reversal of 520321376 is 673123025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520321379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8129990 + ... + 8130053.

It is an arithmetic number, because the mean of its divisors is an integer number (85365231).

Almost surely, 2^520321376 is an apocalyptic number.

It is an amenable number.

520321376 is a deficient number, since it is larger than the sum of its proper divisors (504061396).

520321376 is a wasteful number, since it uses less digits than its factorization.

520321376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16260053 (or 16260045 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 520321376 is about 22810.5540485101. The cubic root of 520321376 is about 804.3107797503.

The spelling of 520321376 in words is "five hundred twenty million, three hundred twenty-one thousand, three hundred seventy-six".