513164623 has 8 divisors (see below), whose sum is σ = 525571200. Its totient is φ = 500779608.

The previous prime is 513164611. The next prime is 513164627. The reversal of 513164623 is 326461315.

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

It is a cyclic number.

It is not a de Polignac number, because 513164623 - 2¹⁷ = 513033551 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 (513164627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49398 + ... + 58876.

It is an arithmetic number, because the mean of its divisors is an integer number (65696400).

Almost surely, 2^513164623 is an apocalyptic number.

513164623 is a deficient number, since it is larger than the sum of its proper divisors (12406577).

513164623 is a wasteful number, since it uses less digits than its factorization.

513164623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781.

The product of its digits is 12960, while the sum is 31.

The square root of 513164623 is about 22653.1371558113. The cubic root of 513164623 is about 800.6061151437.

The spelling of 513164623 in words is "five hundred thirteen million, one hundred sixty-four thousand, six hundred twenty-three".