51333025 has 24 divisors (see below), whose sum is σ = 66355128. Its totient is φ = 39360000.

The previous prime is 51333017. The next prime is 51333031. The reversal of 51333025 is 52033315.

It is a happy number.

51333025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 45805824 + 5527201 = 6768^2 + 2351^2 .

It is not a de Polignac number, because 51333025 - 2³ = 51333017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51332987 and 51333005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62115 + ... + 62935.

It is an arithmetic number, because the mean of its divisors is an integer number (2764797).

Almost surely, 2^51333025 is an apocalyptic number.

It is an amenable number.

51333025 is a deficient number, since it is larger than the sum of its proper divisors (15022103).

51333025 is a wasteful number, since it uses less digits than its factorization.

51333025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 51333025 is about 7164.7069025885. The cubic root of 51333025 is about 371.6484157442.

The spelling of 51333025 in words is "fifty-one million, three hundred thirty-three thousand, twenty-five".