51325145 has 16 divisors (see below), whose sum is σ = 62650368. Its totient is φ = 40360320.

The previous prime is 51325139. The next prime is 51325151. The reversal of 51325145 is 54152315.

51325145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51325139) and next prime (51325151).

It is not a de Polignac number, because 51325145 - 2⁴ = 51325129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 82877 + ... + 83493.

It is an arithmetic number, because the mean of its divisors is an integer number (3915648).

Almost surely, 2^51325145 is an apocalyptic number.

It is an amenable number.

51325145 is a deficient number, since it is larger than the sum of its proper divisors (11325223).

51325145 is a wasteful number, since it uses less digits than its factorization.

51325145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880.

The product of its digits is 3000, while the sum is 26.

The square root of 51325145 is about 7164.1569636629. The cubic root of 51325145 is about 371.6293978418.

The spelling of 51325145 in words is "fifty-one million, three hundred twenty-five thousand, one hundred forty-five".