520132937 has 4 divisors (see below), whose sum is σ = 529946820. Its totient is φ = 510319056.

The previous prime is 520132933. The next prime is 520132979. The reversal of 520132937 is 739231025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 430811536 + 89321401 = 20756^2 + 9451^2 .

It is a cyclic number.

It is not a de Polignac number, because 520132937 - 2² = 520132933 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520132933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4906862 + ... + 4906967.

It is an arithmetic number, because the mean of its divisors is an integer number (132486705).

Almost surely, 2^520132937 is an apocalyptic number.

It is an amenable number.

520132937 is a deficient number, since it is larger than the sum of its proper divisors (9813883).

520132937 is an equidigital number, since it uses as much as digits as its factorization.

520132937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9813882.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 520132937 is about 22806.4231522613. The cubic root of 520132937 is about 804.2136719330.

The spelling of 520132937 in words is "five hundred twenty million, one hundred thirty-two thousand, nine hundred thirty-seven".