520590212 has 6 divisors (see below), whose sum is σ = 911032878. Its totient is φ = 260295104.

The previous prime is 520590181. The next prime is 520590227. The reversal of 520590212 is 212095025.

It can be written as a sum of positive squares in only one way, i.e., 495329536 + 25260676 = 22256^2 + 5026^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65073773 + ... + 65073780.

It is an arithmetic number, because the mean of its divisors is an integer number (151838813).

Almost surely, 2^520590212 is an apocalyptic number.

It is an amenable number.

520590212 is a deficient number, since it is larger than the sum of its proper divisors (390442666).

520590212 is a wasteful number, since it uses less digits than its factorization.

520590212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130147557 (or 130147555 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 520590212 is about 22816.4460861020. The cubic root of 520590212 is about 804.4492777849.

The spelling of 520590212 in words is "five hundred twenty million, five hundred ninety thousand, two hundred twelve".