516454525 has 24 divisors (see below), whose sum is σ = 654768360. Its totient is φ = 403952640.

The previous prime is 516454507. The next prime is 516454537. The reversal of 516454525 is 525454615.

It can be written as a sum of positive squares in 12 ways, for example, as 24235929 + 492218596 = 4923^2 + 22186^2 .

It is not a de Polignac number, because 516454525 - 2¹⁵ = 516421757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541449 + ... + 542401.

It is an arithmetic number, because the mean of its divisors is an integer number (27282015).

Almost surely, 2^516454525 is an apocalyptic number.

It is an amenable number.

516454525 is a deficient number, since it is larger than the sum of its proper divisors (138313835).

516454525 is a wasteful number, since it uses less digits than its factorization.

516454525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1420 counting only the distinct ones).

The product of its digits is 120000, while the sum is 37.

The square root of 516454525 is about 22725.6358546906. The cubic root of 516454525 is about 802.3133690605.

The spelling of 516454525 in words is "five hundred sixteen million, four hundred fifty-four thousand, five hundred twenty-five".