51232025 has 12 divisors (see below), whose sum is σ = 68414892. Its totient is φ = 37832640.

The previous prime is 51232003. The next prime is 51232039. The reversal of 51232025 is 52023215.

It can be written as a sum of positive squares in 6 ways, for example, as 238144 + 50993881 = 488^2 + 7141^2 .

It is not a de Polignac number, because 51232025 - 2¹⁸ = 50969881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51231988 and 51232006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78494 + ... + 79143.

It is an arithmetic number, because the mean of its divisors is an integer number (5701241).

Almost surely, 2^51232025 is an apocalyptic number.

It is an amenable number.

51232025 is a deficient number, since it is larger than the sum of its proper divisors (17182867).

51232025 is a wasteful number, since it uses less digits than its factorization.

51232025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157660 (or 157655 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 51232025 is about 7157.6549930826. The cubic root of 51232025 is about 371.4045108041.

The spelling of 51232025 in words is "fifty-one million, two hundred thirty-two thousand, twenty-five".