520526223 has 64 divisors (see below), whose sum is σ = 949555200. Its totient is φ = 275153760.

The previous prime is 520526219. The next prime is 520526243. The reversal of 520526223 is 322625025.

It is not a de Polignac number, because 520526223 - 2² = 520526219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520526243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 152728 + ... + 156098.

It is an arithmetic number, because the mean of its divisors is an integer number (14836800).

Almost surely, 2^520526223 is an apocalyptic number.

520526223 is a deficient number, since it is larger than the sum of its proper divisors (429028977).

520526223 is a wasteful number, since it uses less digits than its factorization.

520526223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 520526223 is about 22815.0437869402. The cubic root of 520526223 is about 804.4163164698.

The spelling of 520526223 in words is "five hundred twenty million, five hundred twenty-six thousand, two hundred twenty-three".