51048125 has 10 divisors (see below), whose sum is σ = 63790518. Its totient is φ = 40838000.

The previous prime is 51048073. The next prime is 51048131. The reversal of 51048125 is 52184015.

It can be written as a sum of positive squares in 5 ways, for example, as 24226084 + 26822041 = 4922^2 + 5179^2 .

It is not a de Polignac number, because 51048125 - 2⁸ = 51047869 is a prime.

It is a super-2 number, since 2×51048125² = 5211822132031250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51048094 and 51048103.

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, 40214 + ... + 41463.

Almost surely, 2^51048125 is an apocalyptic number.

It is an amenable number.

51048125 is a deficient number, since it is larger than the sum of its proper divisors (12742393).

51048125 is an frugal number, since it uses more digits than its factorization.

51048125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81697 (or 81682 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 51048125 is about 7144.7970579996. The cubic root of 51048125 is about 370.9595861268.

The spelling of 51048125 in words is "fifty-one million, forty-eight thousand, one hundred twenty-five".