51227525 has 12 divisors (see below), whose sum is σ = 63878724. Its totient is φ = 40752000.

The previous prime is 51227513. The next prime is 51227551. The reversal of 51227525 is 52572215.

51227525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 23020804 + 28206721 = 4798^2 + 5311^2 .

It is not a de Polignac number, because 51227525 - 2⁶ = 51227461 is a prime.

It is a Duffinian number.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1136 + ... + 10185.

It is an arithmetic number, because the mean of its divisors is an integer number (5323227).

Almost surely, 2^51227525 is an apocalyptic number.

It is an amenable number.

51227525 is a deficient number, since it is larger than the sum of its proper divisors (12651199).

51227525 is a wasteful number, since it uses less digits than its factorization.

51227525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512 (or 11507 counting only the distinct ones).

The product of its digits is 7000, while the sum is 29.

The square root of 51227525 is about 7157.3406374155. The cubic root of 51227525 is about 371.3936362958.

The spelling of 51227525 in words is "fifty-one million, two hundred twenty-seven thousand, five hundred twenty-five".