51022425 has 12 divisors (see below), whose sum is σ = 84357200. Its totient is φ = 27211920.

The previous prime is 51022421. The next prime is 51022427. The reversal of 51022425 is 52422015.

It is a happy number.

It is not a de Polignac number, because 51022425 - 2² = 51022421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51022421) 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, 340075 + ... + 340224.

Almost surely, 2^51022425 is an apocalyptic number.

It is an amenable number.

51022425 is a deficient number, since it is larger than the sum of its proper divisors (33334775).

51022425 is a wasteful number, since it uses less digits than its factorization.

51022425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680312 (or 680307 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 51022425 is about 7142.9983200334. The cubic root of 51022425 is about 370.8973229081.

The spelling of 51022425 in words is "fifty-one million, twenty-two thousand, four hundred twenty-five".