520747018 has 8 divisors (see below), whose sum is σ = 852131520. Its totient is φ = 236703180.

The previous prime is 520746971. The next prime is 520747061. The reversal of 520747018 is 810747025.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11835138 + ... + 11835181.

It is an arithmetic number, because the mean of its divisors is an integer number (106516440).

Almost surely, 2^520747018 is an apocalyptic number.

520747018 is a deficient number, since it is larger than the sum of its proper divisors (331384502).

520747018 is a wasteful number, since it uses less digits than its factorization.

520747018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23670332.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 520747018 is about 22819.8820768206. The cubic root of 520747018 is about 804.5300385622.

It can be divided in two parts, 5207 and 47018, that added together give a palindrome (52225).

The spelling of 520747018 in words is "five hundred twenty million, seven hundred forty-seven thousand, eighteen".