51063125 has 10 divisors (see below), whose sum is σ = 63809262. Its totient is φ = 40850000.

The previous prime is 51063119. The next prime is 51063149. The reversal of 51063125 is 52136015.

It can be written as a sum of positive squares in 5 ways, for example, as 33431524 + 17631601 = 5782^2 + 4199^2 .

It is not a de Polignac number, because 51063125 - 2¹⁶ = 50997589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51063125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40226 + ... + 41475.

Almost surely, 2^51063125 is an apocalyptic number.

It is an amenable number.

51063125 is a deficient number, since it is larger than the sum of its proper divisors (12746137).

51063125 is an frugal number, since it uses more digits than its factorization.

51063125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81721 (or 81706 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 51063125 is about 7145.8466958087. The cubic root of 51063125 is about 370.9959168694.

The spelling of 51063125 in words is "fifty-one million, sixty-three thousand, one hundred twenty-five".