520502426 has 4 divisors (see below), whose sum is σ = 780753642. Its totient is φ = 260251212.

The previous prime is 520502419. The next prime is 520502441. The reversal of 520502426 is 624205025.

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

It can be written as a sum of positive squares in only one way, i.e., 321664225 + 198838201 = 17935^2 + 14101^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520502395 and 520502404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130125605 + ... + 130125608.

Almost surely, 2^520502426 is an apocalyptic number.

520502426 is a deficient number, since it is larger than the sum of its proper divisors (260251216).

520502426 is a wasteful number, since it uses less digits than its factorization.

520502426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260251215.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 520502426 is about 22814.5222610512. The cubic root of 520502426 is about 804.4040577299.

The spelling of 520502426 in words is "five hundred twenty million, five hundred two thousand, four hundred twenty-six".