51323325 has 12 divisors (see below), whose sum is σ = 84854688. Its totient is φ = 27372400.

The previous prime is 51323309. The next prime is 51323347. The reversal of 51323325 is 52332315.

It is a happy number.

It is not a de Polignac number, because 51323325 - 2⁴ = 51323309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51323295 and 51323304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342081 + ... + 342230.

It is an arithmetic number, because the mean of its divisors is an integer number (7071224).

Almost surely, 2^51323325 is an apocalyptic number.

It is an amenable number.

51323325 is a deficient number, since it is larger than the sum of its proper divisors (33531363).

51323325 is a wasteful number, since it uses less digits than its factorization.

51323325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684324 (or 684319 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 51323325 is about 7164.0299413110. The cubic root of 51323325 is about 371.6250051054.

The spelling of 51323325 in words is "fifty-one million, three hundred twenty-three thousand, three hundred twenty-five".