51302425 has 6 divisors (see below), whose sum is σ = 63615038. Its totient is φ = 41041920.

The previous prime is 51302423. The next prime is 51302431. The reversal of 51302425 is 52420315.

It can be written as a sum of positive squares in 3 ways, for example, as 151321 + 51151104 = 389^2 + 7152^2 .

It is not a de Polignac number, because 51302425 - 2¹ = 51302423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51302396 and 51302405.

It is not an unprimeable number, because it can be changed into a prime (51302423) 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 5 ways as a sum of consecutive naturals, for example, 1026024 + ... + 1026073.

Almost surely, 2^51302425 is an apocalyptic number.

It is an amenable number.

51302425 is a deficient number, since it is larger than the sum of its proper divisors (12312613).

51302425 is a wasteful number, since it uses less digits than its factorization.

51302425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052107 (or 2052102 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51302425 is about 7162.5711165754. The cubic root of 51302425 is about 371.5745535992.

The spelling of 51302425 in words is "fifty-one million, three hundred two thousand, four hundred twenty-five".