52005425 has 24 divisors (see below), whose sum is σ = 66792600. Its totient is φ = 40140800.

The previous prime is 52005409. The next prime is 52005433. The reversal of 52005425 is 52450025.

It can be written as a sum of positive squares in 12 ways, for example, as 40742689 + 11262736 = 6383^2 + 3356^2 .

It is not a de Polignac number, because 52005425 - 2⁴ = 52005409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52005425.

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 23 ways as a sum of consecutive naturals, for example, 115601 + ... + 116049.

It is an arithmetic number, because the mean of its divisors is an integer number (2783025).

Almost surely, 2^52005425 is an apocalyptic number.

It is an amenable number.

52005425 is a deficient number, since it is larger than the sum of its proper divisors (14787175).

52005425 is a wasteful number, since it uses less digits than its factorization.

52005425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 52005425 is about 7211.4786971883. The cubic root of 52005425 is about 373.2640952772.

The spelling of 52005425 in words is "fifty-two million, five thousand, four hundred twenty-five".