51032825 has 12 divisors (see below), whose sum is σ = 63559548. Its totient is φ = 40646400.

The previous prime is 51032809. The next prime is 51032887. The reversal of 51032825 is 52823015.

It can be written as a sum of positive squares in 6 ways, for example, as 13920361 + 37112464 = 3731^2 + 6092^2 .

It is not a de Polignac number, because 51032825 - 2⁴ = 51032809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51032794 and 51032803.

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, 1445 + ... + 10205.

It is an arithmetic number, because the mean of its divisors is an integer number (5296629).

Almost surely, 2^51032825 is an apocalyptic number.

It is an amenable number.

51032825 is a deficient number, since it is larger than the sum of its proper divisors (12526723).

51032825 is a wasteful number, since it uses less digits than its factorization.

51032825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9004 (or 8999 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 51032825 is about 7143.7262685520. The cubic root of 51032825 is about 370.9225214367.

The spelling of 51032825 in words is "fifty-one million, thirty-two thousand, eight hundred twenty-five".