520779363 has 32 divisors (see below), whose sum is σ = 782369280. Its totient is φ = 305733120.

The previous prime is 520779359. The next prime is 520779373. The reversal of 520779363 is 363977025.

It is a happy number.

It is not a de Polignac number, because 520779363 - 2² = 520779359 is a prime.

It is a super-2 number, since 2×520779363² = 542422289853371538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520779353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590683 + ... + 591563.

It is an arithmetic number, because the mean of its divisors is an integer number (24449040).

Almost surely, 2^520779363 is an apocalyptic number.

520779363 is a deficient number, since it is larger than the sum of its proper divisors (261589917).

520779363 is a wasteful number, since it uses less digits than its factorization.

520779363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 238140, while the sum is 42.

The square root of 520779363 is about 22820.5907679885. The cubic root of 520779363 is about 804.5466953933.

The spelling of 520779363 in words is "five hundred twenty million, seven hundred seventy-nine thousand, three hundred sixty-three".