520898359 has 4 divisors (see below), whose sum is σ = 521249680. Its totient is φ = 520547040.

The previous prime is 520898353. The next prime is 520898369. The reversal of 520898359 is 953898025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520898359 - 2⁵ = 520898327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520898353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173427 + ... + 176404.

It is an arithmetic number, because the mean of its divisors is an integer number (130312420).

Almost surely, 2^520898359 is an apocalyptic number.

520898359 is a deficient number, since it is larger than the sum of its proper divisors (351321).

520898359 is a wasteful number, since it uses less digits than its factorization.

520898359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351320.

The product of its (nonzero) digits is 777600, while the sum is 49.

The square root of 520898359 is about 22823.1978258964. The cubic root of 520898359 is about 804.6079692931.

The spelling of 520898359 in words is "five hundred twenty million, eight hundred ninety-eight thousand, three hundred fifty-nine".