520344542 has 16 divisors (see below), whose sum is σ = 802369392. Its totient is φ = 252901440.

The previous prime is 520344533. The next prime is 520344553. The reversal of 520344542 is 245443025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95093 + ... + 100415.

It is an arithmetic number, because the mean of its divisors is an integer number (50148087).

Almost surely, 2^520344542 is an apocalyptic number.

520344542 is a deficient number, since it is larger than the sum of its proper divisors (282024850).

520344542 is a wasteful number, since it uses less digits than its factorization.

520344542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 520344542 is about 22811.0618341190. The cubic root of 520344542 is about 804.3227162110.

Adding to 520344542 its reverse (245443025), we get a palindrome (765787567).

The spelling of 520344542 in words is "five hundred twenty million, three hundred forty-four thousand, five hundred forty-two".