513868854 has 16 divisors (see below), whose sum is σ = 1037716992. Its totient is φ = 169626408.

The previous prime is 513868847. The next prime is 513868871. The reversal of 513868854 is 458868315.

It is a super-2 number, since 2×513868854² = 528122398222546632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415134 + ... + 416369.

It is an arithmetic number, because the mean of its divisors is an integer number (64857312).

Almost surely, 2^513868854 is an apocalyptic number.

513868854 is an abundant number, since it is smaller than the sum of its proper divisors (523848138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513868854 is a wasteful number, since it uses less digits than its factorization.

513868854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831611.

The product of its digits is 921600, while the sum is 48.

The square root of 513868854 is about 22668.6756119540. The cubic root of 513868854 is about 800.9721795634.

The spelling of 513868854 in words is "five hundred thirteen million, eight hundred sixty-eight thousand, eight hundred fifty-four".