520686201 has 12 divisors (see below), whose sum is σ = 807595152. Its totient is φ = 297534888.

The previous prime is 520686193. The next prime is 520686211. The reversal of 520686201 is 102686025.

It is not a de Polignac number, because 520686201 - 2³ = 520686193 is a prime.

It is a super-2 number, since 2×520686201² = 542228239823624802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520686211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1770895 + ... + 1771188.

It is an arithmetic number, because the mean of its divisors is an integer number (67299596).

Almost surely, 2^520686201 is an apocalyptic number.

It is an amenable number.

520686201 is a deficient number, since it is larger than the sum of its proper divisors (286908951).

520686201 is a wasteful number, since it uses less digits than its factorization.

520686201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542100 (or 3542093 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 520686201 is about 22818.5494937781. The cubic root of 520686201 is about 804.4987175262.

The spelling of 520686201 in words is "five hundred twenty million, six hundred eighty-six thousand, two hundred one".