520342245 has 16 divisors (see below), whose sum is σ = 925053120. Its totient is φ = 277515792.

The previous prime is 520342219. The next prime is 520342267. The reversal of 520342245 is 542243025.

It is a happy number.

It is not a de Polignac number, because 520342245 - 2¹⁰ = 520341221 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1927059 + ... + 1927328.

It is an arithmetic number, because the mean of its divisors is an integer number (57815820).

Almost surely, 2^520342245 is an apocalyptic number.

It is an amenable number.

520342245 is a deficient number, since it is larger than the sum of its proper divisors (404710875).

520342245 is a wasteful number, since it uses less digits than its factorization.

520342245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854401 (or 3854395 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 520342245 is about 22811.0114856838. The cubic root of 520342245 is about 804.3215326798.

The spelling of 520342245 in words is "five hundred twenty million, three hundred forty-two thousand, two hundred forty-five".