51942525 has 12 divisors (see below), whose sum is σ = 85878432. Its totient is φ = 27702640.

The previous prime is 51942521. The next prime is 51942547. The reversal of 51942525 is 52524915.

51942525 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 51942525 - 2² = 51942521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51942521) 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 11 ways as a sum of consecutive naturals, for example, 346209 + ... + 346358.

It is an arithmetic number, because the mean of its divisors is an integer number (7156536).

Almost surely, 2^51942525 is an apocalyptic number.

It is an amenable number.

51942525 is a deficient number, since it is larger than the sum of its proper divisors (33935907).

51942525 is a wasteful number, since it uses less digits than its factorization.

51942525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692580 (or 692575 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The square root of 51942525 is about 7207.1162749050. The cubic root of 51942525 is about 373.1135482682.

The spelling of 51942525 in words is "fifty-one million, nine hundred forty-two thousand, five hundred twenty-five".