520466501 has 4 divisors (see below), whose sum is σ = 520605504. Its totient is φ = 520327500.

The previous prime is 520466497. The next prime is 520466503. The reversal of 520466501 is 105664025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520466501 - 2² = 520466497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520466503) 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 3 ways as a sum of consecutive naturals, for example, 63725 + ... + 71426.

It is an arithmetic number, because the mean of its divisors is an integer number (130151376).

Almost surely, 2^520466501 is an apocalyptic number.

It is an amenable number.

520466501 is a deficient number, since it is larger than the sum of its proper divisors (139003).

520466501 is a wasteful number, since it uses less digits than its factorization.

520466501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139002.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 520466501 is about 22813.7349199994. The cubic root of 520466501 is about 804.3855506879.

The spelling of 520466501 in words is "five hundred twenty million, four hundred sixty-six thousand, five hundred one".