520515142 has 24 divisors (see below), whose sum is σ = 939569760. Its totient is φ = 215384400.

The previous prime is 520515133. The next prime is 520515143. The reversal of 520515142 is 241515025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520515143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88734 + ... + 94417.

It is an arithmetic number, because the mean of its divisors is an integer number (39148740).

Almost surely, 2^520515142 is an apocalyptic number.

520515142 is a deficient number, since it is larger than the sum of its proper divisors (419054618).

520515142 is a wasteful number, since it uses less digits than its factorization.

520515142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183196 (or 183189 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 520515142 is about 22814.8009414941. The cubic root of 520515142 is about 804.4106082717.

The spelling of 520515142 in words is "five hundred twenty million, five hundred fifteen thousand, one hundred forty-two".