51224325 has 24 divisors (see below), whose sum is σ = 85039200. Its totient is φ = 27207360.

The previous prime is 51224279. The next prime is 51224359. The reversal of 51224325 is 52342215.

51224325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51224325 - 2⁹ = 51223813 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51224295 and 51224304.

It is a congruent number.

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, 18906 + ... + 21444.

It is an arithmetic number, because the mean of its divisors is an integer number (3543300).

Almost surely, 2^51224325 is an apocalyptic number.

It is an amenable number.

51224325 is a deficient number, since it is larger than the sum of its proper divisors (33814875).

51224325 is a wasteful number, since it uses less digits than its factorization.

51224325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821 (or 2816 counting only the distinct ones).

The product of its digits is 2400, while the sum is 24.

The square root of 51224325 is about 7157.1170872077. The cubic root of 51224325 is about 371.3859029247.

The spelling of 51224325 in words is "fifty-one million, two hundred twenty-four thousand, three hundred twenty-five".