51600825 has 36 divisors (see below), whose sum is σ = 93624960. Its totient is φ = 27162720.

The previous prime is 51600821. The next prime is 51600859. The reversal of 51600825 is 52800615.

51600825 is a `hidden beast` number, since 51 + 600 + 8 + 2 + 5 = 666.

It is not a de Polignac number, because 51600825 - 2² = 51600821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51600821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16324 + ... + 19226.

Almost surely, 2^51600825 is an apocalyptic number.

It is an amenable number.

51600825 is a deficient number, since it is larger than the sum of its proper divisors (42024135).

51600825 is a wasteful number, since it uses less digits than its factorization.

51600825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2998 (or 2990 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 51600825 is about 7183.3714229462. The cubic root of 51600825 is about 372.2935811144.

It can be divided in two parts, 51600 and 825, that added together give a palindrome (52425).

The spelling of 51600825 in words is "fifty-one million, six hundred thousand, eight hundred twenty-five".