51492825 has 36 divisors (see below), whose sum is σ = 92986608. Its totient is φ = 27237600.

The previous prime is 51492817. The next prime is 51492851. The reversal of 51492825 is 52829415.

It is not a de Polignac number, because 51492825 - 2³ = 51492817 is a prime.

It is a super-2 number, since 2×51492825² = 5303022052961250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51492825.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28602 + ... + 30348.

It is a vampire number, since it can be written as 5241 ⋅ 9825 (with its own digits).

Almost surely, 2^51492825 is an apocalyptic number.

It is an amenable number.

51492825 is a deficient number, since it is larger than the sum of its proper divisors (41493783).

51492825 is a wasteful number, since it uses less digits than its factorization.

51492825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1886 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 51492825 is about 7175.8501238529. The cubic root of 51492825 is about 372.0336641404.

It can be divided in two parts, 514 and 92825, that added together give a palindrome (93339).

The spelling of 51492825 in words is "fifty-one million, four hundred ninety-two thousand, eight hundred twenty-five".