513664226 has 8 divisors (see below), whose sum is σ = 773891280. Its totient is φ = 255700468.

The previous prime is 513664201. The next prime is 513664247. The reversal of 513664226 is 622466315.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565256 + ... + 566163.

It is an arithmetic number, because the mean of its divisors is an integer number (96736410).

Almost surely, 2^513664226 is an apocalyptic number.

513664226 is a deficient number, since it is larger than the sum of its proper divisors (260227054).

513664226 is a wasteful number, since it uses less digits than its factorization.

513664226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131648.

The product of its digits is 51840, while the sum is 35.

The square root of 513664226 is about 22664.1617096243. The cubic root of 513664226 is about 800.8658469233.

The spelling of 513664226 in words is "five hundred thirteen million, six hundred sixty-four thousand, two hundred twenty-six".