51246325 has 48 divisors (see below), whose sum is σ = 74092480. Its totient is φ = 34836480.

The previous prime is 51246319. The next prime is 51246329. The reversal of 51246325 is 52364215.

It is not a de Polignac number, because 51246325 - 2¹⁹ = 50722037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51246293 and 51246302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51246329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265429 + ... + 265621.

Almost surely, 2^51246325 is an apocalyptic number.

It is an amenable number.

51246325 is a deficient number, since it is larger than the sum of its proper divisors (22846155).

51246325 is a wasteful number, since it uses less digits than its factorization.

51246325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 273 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 51246325 is about 7158.6538539030. The cubic root of 51246325 is about 371.4390633483.

It can be divided in two parts, 5124 and 6325, that added together give a square (11449 = 107²).

The spelling of 51246325 in words is "fifty-one million, two hundred forty-six thousand, three hundred twenty-five".