51325099 has 24 divisors (see below), whose sum is σ = 65048400. Its totient is φ = 40219200.

The previous prime is 51325093. The next prime is 51325111. The reversal of 51325099 is 99052315.

It is a happy number.

51325099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51325099 - 2⁵ = 51325067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51325093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26049 + ... + 27949.

It is an arithmetic number, because the mean of its divisors is an integer number (2710350).

Almost surely, 2^51325099 is an apocalyptic number.

51325099 is a deficient number, since it is larger than the sum of its proper divisors (13723301).

51325099 is a wasteful number, since it uses less digits than its factorization.

51325099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1963 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 51325099 is about 7164.1537532356. The cubic root of 51325099 is about 371.6292868179.

The spelling of 51325099 in words is "fifty-one million, three hundred twenty-five thousand, ninety-nine".