52620525 has 36 divisors (see below), whose sum is σ = 99800532. Its totient is φ = 26411520.

The previous prime is 52620523. The next prime is 52620539. The reversal of 52620525 is 52502625.

It can be written as a sum of positive squares in 6 ways, for example, as 4137156 + 48483369 = 2034^2 + 6963^2 .

It is not a de Polignac number, because 52620525 - 2¹ = 52620523 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 (52620521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3054 + ... + 10703.

It is an arithmetic number, because the mean of its divisors is an integer number (2772237).

Almost surely, 2^52620525 is an apocalyptic number.

It is an amenable number.

52620525 is a deficient number, since it is larger than the sum of its proper divisors (47180007).

52620525 is a wasteful number, since it uses less digits than its factorization.

52620525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790 (or 13782 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 52620525 is about 7254.0006203474. Note that the first 3 decimals coincide. The cubic root of 52620525 is about 374.7299388920.

The spelling of 52620525 in words is "fifty-two million, six hundred twenty thousand, five hundred twenty-five".