520904476 has 6 divisors (see below), whose sum is σ = 911582840. Its totient is φ = 260452236.

The previous prime is 520904471. The next prime is 520904519. The reversal of 520904476 is 674409025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520904471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65113056 + ... + 65113063.

Almost surely, 2^520904476 is an apocalyptic number.

It is an amenable number.

520904476 is a deficient number, since it is larger than the sum of its proper divisors (390678364).

520904476 is a wasteful number, since it uses less digits than its factorization.

520904476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130226123 (or 130226121 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 520904476 is about 22823.3318338931. The cubic root of 520904476 is about 804.6111188312.

The spelling of 520904476 in words is "five hundred twenty million, nine hundred four thousand, four hundred seventy-six".