51752025 has 54 divisors (see below), whose sum is σ = 100446138. Its totient is φ = 25459200.

The previous prime is 51752017. The next prime is 51752033. The reversal of 51752025 is 52025715.

It is a happy number.

51752025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51752017) and next prime (51752033).

It can be written as a sum of positive squares in 9 ways, for example, as 41332041 + 10419984 = 6429^2 + 3228^2 .

It is not a de Polignac number, because 51752025 - 2³ = 51752017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51752025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 37345 + ... + 38705.

Almost surely, 2^51752025 is an apocalyptic number.

It is an amenable number.

51752025 is a deficient number, since it is larger than the sum of its proper divisors (48694113).

51752025 is a wasteful number, since it uses less digits than its factorization.

51752025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 51752025 is about 7193.8880308217. Note that the first 3 decimals coincide. The cubic root of 51752025 is about 372.6568563008.

The spelling of 51752025 in words is "fifty-one million, seven hundred fifty-two thousand, twenty-five".