516425423 has 4 divisors (see below), whose sum is σ = 521538648. Its totient is φ = 511312200.

The previous prime is 516425411. The next prime is 516425447. The reversal of 516425423 is 324524615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516425423 - 2²⁶ = 449316559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 516425423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516425023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556461 + ... + 2556662.

It is an arithmetic number, because the mean of its divisors is an integer number (130384662).

Almost surely, 2^516425423 is an apocalyptic number.

516425423 is a deficient number, since it is larger than the sum of its proper divisors (5113225).

516425423 is a wasteful number, since it uses less digits than its factorization.

516425423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113224.

The product of its digits is 28800, while the sum is 32.

The square root of 516425423 is about 22724.9955555551. The cubic root of 516425423 is about 802.2982987680.

The spelling of 516425423 in words is "five hundred sixteen million, four hundred twenty-five thousand, four hundred twenty-three".