52521125 has 16 divisors (see below), whose sum is σ = 66296880. Its totient is φ = 41536000.

The previous prime is 52521107. The next prime is 52521163. The reversal of 52521125 is 52112525.

It can be written as a sum of positive squares in 8 ways, for example, as 24462916 + 28058209 = 4946^2 + 5297^2 .

It is not a de Polignac number, because 52521125 - 2⁸ = 52520869 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52521125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8765 + ... + 13485.

It is an arithmetic number, because the mean of its divisors is an integer number (4143555).

Almost surely, 2^52521125 is an apocalyptic number.

It is an amenable number.

52521125 is a deficient number, since it is larger than the sum of its proper divisors (13775755).

52521125 is an equidigital number, since it uses as much as digits as its factorization.

52521125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825 (or 4815 counting only the distinct ones).

The product of its digits is 1000, while the sum is 23.

The square root of 52521125 is about 7247.1459899743. The cubic root of 52521125 is about 374.4938356196.

The spelling of 52521125 in words is "fifty-two million, five hundred twenty-one thousand, one hundred twenty-five".