520634542 has 16 divisors (see below), whose sum is σ = 823098240. Its totient is φ = 246303288.

The previous prime is 520634489. The next prime is 520634549. The reversal of 520634542 is 245436025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520634549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23143 + ... + 39709.

It is an arithmetic number, because the mean of its divisors is an integer number (51443640).

Almost surely, 2^520634542 is an apocalyptic number.

520634542 is a deficient number, since it is larger than the sum of its proper divisors (302463698).

520634542 is a wasteful number, since it uses less digits than its factorization.

520634542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17415.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 520634542 is about 22817.4175138204. The cubic root of 520634542 is about 804.4721109868.

The spelling of 520634542 in words is "five hundred twenty million, six hundred thirty-four thousand, five hundred forty-two".