516425 has 24 divisors (see below), whose sum is σ = 791616. Its totient is φ = 325440.

The previous prime is 516421. The next prime is 516431. The reversal of 516425 is 524615.

516425 = T₁₁₈ + T₁₁₉ + ... + T₁₆₇.

It is not a de Polignac number, because 516425 - 2² = 516421 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 516425.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 516425.

It is not an unprimeable number, because it can be changed into a prime (516421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2162 + ... + 2388.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2⁵¹⁶⁴²⁵ is an apocalyptic number.

It is an amenable number.

516425 is a deficient number, since it is larger than the sum of its proper divisors (275191).

516425 is a wasteful number, since it uses less digits than its factorization.

516425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 252 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 516425 is about 718.6271634165. The cubic root of 516425 is about 80.2298079716.

The spelling of 516425 in words is "five hundred sixteen thousand, four hundred twenty-five".