52565225 has 12 divisors (see below), whose sum is σ = 66251340. Its totient is φ = 41361600.

The previous prime is 52565209. The next prime is 52565237. The reversal of 52565225 is 52256525.

It can be written as a sum of positive squares in 6 ways, for example, as 7661824 + 44903401 = 2768^2 + 6701^2 .

It is not a de Polignac number, because 52565225 - 2⁴ = 52565209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52565191 and 52565200.

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 11 ways as a sum of consecutive naturals, for example, 15710 + ... + 18759.

It is an arithmetic number, because the mean of its divisors is an integer number (5520945).

Almost surely, 2^52565225 is an apocalyptic number.

It is an amenable number.

52565225 is a deficient number, since it is larger than the sum of its proper divisors (13686115).

52565225 is a wasteful number, since it uses less digits than its factorization.

52565225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34540 (or 34535 counting only the distinct ones).

The product of its digits is 30000, while the sum is 32.

The square root of 52565225 is about 7250.1879285988. The cubic root of 52565225 is about 374.5986223945.

The spelling of 52565225 in words is "fifty-two million, five hundred sixty-five thousand, two hundred twenty-five".