51051525 has 24 divisors (see below), whose sum is σ = 96464064. Its totient is φ = 23337600.

The previous prime is 51051523. The next prime is 51051547. The reversal of 51051525 is 52515015.

It is not a de Polignac number, because 51051525 - 2¹ = 51051523 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51051495 and 51051504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51051523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48096 + ... + 49145.

It is an arithmetic number, because the mean of its divisors is an integer number (4019336).

Almost surely, 2^51051525 is an apocalyptic number.

It is an amenable number.

51051525 is a deficient number, since it is larger than the sum of its proper divisors (45412539).

51051525 is a wasteful number, since it uses less digits than its factorization.

51051525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97261 (or 97256 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 51051525 is about 7145.0349894175. The cubic root of 51051525 is about 370.9678217188.

The spelling of 51051525 in words is "fifty-one million, fifty-one thousand, five hundred twenty-five".