51422325 has 12 divisors (see below), whose sum is σ = 85018368. Its totient is φ = 27425200.

The previous prime is 51422321. The next prime is 51422333. The reversal of 51422325 is 52322415.

It is not a de Polignac number, because 51422325 - 2² = 51422321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51422295 and 51422304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51422321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342741 + ... + 342890.

It is an arithmetic number, because the mean of its divisors is an integer number (7084864).

Almost surely, 2^51422325 is an apocalyptic number.

It is an amenable number.

51422325 is a deficient number, since it is larger than the sum of its proper divisors (33596043).

51422325 is a wasteful number, since it uses less digits than its factorization.

51422325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685644 (or 685639 counting only the distinct ones).

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

The square root of 51422325 is about 7170.9361313569. The cubic root of 51422325 is about 371.8638000064.

The spelling of 51422325 in words is "fifty-one million, four hundred twenty-two thousand, three hundred twenty-five".