51303425 has 6 divisors (see below), whose sum is σ = 63616278. Its totient is φ = 41042720.

The previous prime is 51303383. The next prime is 51303457. The reversal of 51303425 is 52430315.

It can be written as a sum of positive squares in 3 ways, for example, as 552049 + 50751376 = 743^2 + 7124^2 .

It is not a de Polignac number, because 51303425 - 2⁸ = 51303169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51303425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1026044 + ... + 1026093.

It is an arithmetic number, because the mean of its divisors is an integer number (10602713).

Almost surely, 2^51303425 is an apocalyptic number.

It is an amenable number.

51303425 is a deficient number, since it is larger than the sum of its proper divisors (12312853).

51303425 is a wasteful number, since it uses less digits than its factorization.

51303425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052147 (or 2052142 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 51303425 is about 7162.6409235700. The cubic root of 51303425 is about 371.5769678590.

The spelling of 51303425 in words is "fifty-one million, three hundred three thousand, four hundred twenty-five".