521080107 has 16 divisors (see below), whose sum is σ = 739353600. Its totient is φ = 325302912.

The previous prime is 521080103. The next prime is 521080123. The reversal of 521080107 is 701080125.

It is not a de Polignac number, because 521080107 - 2² = 521080103 is a prime.

It is a super-2 number, since 2×521080107² = 543048955822262898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (521080103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15523 + ... + 35820.

It is an arithmetic number, because the mean of its divisors is an integer number (46209600).

Almost surely, 2^521080107 is an apocalyptic number.

521080107 is a deficient number, since it is larger than the sum of its proper divisors (218273493).

521080107 is a wasteful number, since it uses less digits than its factorization.

521080107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51562.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 521080107 is about 22827.1791292748. The cubic root of 521080107 is about 804.7015376974.

The spelling of 521080107 in words is "five hundred twenty-one million, eighty thousand, one hundred seven".