513311426 has 8 divisors (see below), whose sum is σ = 796517820. Its totient is φ = 247805488.

The previous prime is 513311389. The next prime is 513311441. The reversal of 513311426 is 624113315.

It can be written as a sum of positive squares in 2 ways, for example, as 492618025 + 20693401 = 22195^2 + 4549^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 513311395 and 513311404.

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, 4425041 + ... + 4425156.

Almost surely, 2^513311426 is an apocalyptic number.

513311426 is a deficient number, since it is larger than the sum of its proper divisors (283206394).

513311426 is a wasteful number, since it uses less digits than its factorization.

513311426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8850228.

The product of its digits is 2160, while the sum is 26.

The square root of 513311426 is about 22656.3771596432. The cubic root of 513311426 is about 800.6824520335.

The spelling of 513311426 in words is "five hundred thirteen million, three hundred eleven thousand, four hundred twenty-six".