51061125 has 16 divisors (see below), whose sum is σ = 84966336. Its totient is φ = 27232400.

The previous prime is 51061111. The next prime is 51061139. The reversal of 51061125 is 52116015.

It is an interprime number because it is at equal distance from previous prime (51061111) and next prime (51061139).

It is not a de Polignac number, because 51061125 - 2⁵ = 51061093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67707 + ... + 68456.

It is an arithmetic number, because the mean of its divisors is an integer number (5310396).

Almost surely, 2^51061125 is an apocalyptic number.

It is an amenable number.

51061125 is a deficient number, since it is larger than the sum of its proper divisors (33905211).

51061125 is a wasteful number, since it uses less digits than its factorization.

51061125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136181 (or 136171 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 51061125 is about 7145.7067530091. The cubic root of 51061125 is about 370.9910731815.

The spelling of 51061125 in words is "fifty-one million, sixty-one thousand, one hundred twenty-five".