51233325 has 96 divisors (see below), whose sum is σ = 105743232. Its totient is φ = 21504000.

The previous prime is 51233321. The next prime is 51233353. The reversal of 51233325 is 52333215.

It is a happy number.

It is not a de Polignac number, because 51233325 - 2² = 51233321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51233295 and 51233304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51233321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 182185 + ... + 182465.

It is an arithmetic number, because the mean of its divisors is an integer number (1101492).

Almost surely, 2^51233325 is an apocalyptic number.

51233325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51233325 is an abundant number, since it is smaller than the sum of its proper divisors (54509907).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51233325 is a wasteful number, since it uses less digits than its factorization.

51233325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 330 counting only the distinct ones).

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

The square root of 51233325 is about 7157.7458043717. The cubic root of 51233325 is about 371.4076522101.

It can be divided in two parts, 5123 and 3325, that added together give a palindrome (8448).

The spelling of 51233325 in words is "fifty-one million, two hundred thirty-three thousand, three hundred twenty-five".