520432265 has 8 divisors (see below), whose sum is σ = 624795720. Its totient is φ = 416161152.

The previous prime is 520432261. The next prime is 520432277. The reversal of 520432265 is 562234025.

It can be written as a sum of positive squares in 4 ways, for example, as 102475129 + 417957136 = 10123^2 + 20444^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520432265 - 2² = 520432261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (520432261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10010 + ... + 33779.

It is an arithmetic number, because the mean of its divisors is an integer number (78099465).

Almost surely, 2^520432265 is an apocalyptic number.

It is an amenable number.

520432265 is a deficient number, since it is larger than the sum of its proper divisors (104363455).

520432265 is a wasteful number, since it uses less digits than its factorization.

520432265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46171.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 520432265 is about 22812.9845701960. The cubic root of 520432265 is about 804.3679129549.

The spelling of 520432265 in words is "five hundred twenty million, four hundred thirty-two thousand, two hundred sixty-five".