516421115 has 8 divisors (see below), whose sum is σ = 708234720. Its totient is φ = 354117312.

The previous prime is 516421109. The next prime is 516421153. The reversal of 516421115 is 511124615.

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 516421115 - 2¹⁴ = 516404731 is a prime.

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, 7377410 + ... + 7377479.

It is an arithmetic number, because the mean of its divisors is an integer number (88529340).

Almost surely, 2^516421115 is an apocalyptic number.

516421115 is a deficient number, since it is larger than the sum of its proper divisors (191813605).

516421115 is a wasteful number, since it uses less digits than its factorization.

516421115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14754901.

The product of its digits is 1200, while the sum is 26.

The square root of 516421115 is about 22724.9007698604. The cubic root of 516421115 is about 802.2960678485.

The spelling of 516421115 in words is "five hundred sixteen million, four hundred twenty-one thousand, one hundred fifteen".