52612225 has 12 divisors (see below), whose sum is σ = 66831660. Its totient is φ = 41062400.

The previous prime is 52612171. The next prime is 52612243. The reversal of 52612225 is 52221625.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2259009 + 50353216 = 1503^2 + 7096^2 .

It is not a de Polignac number, because 52612225 - 2⁷ = 52612097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 52612225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24640 + ... + 26689.

It is an arithmetic number, because the mean of its divisors is an integer number (5569305).

Almost surely, 2^52612225 is an apocalyptic number.

It is an amenable number.

52612225 is a deficient number, since it is larger than the sum of its proper divisors (14219435).

52612225 is a wasteful number, since it uses less digits than its factorization.

52612225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51380 (or 51375 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 52612225 is about 7253.4284996821. The cubic root of 52612225 is about 374.7102354142.

The spelling of 52612225 in words is "fifty-two million, six hundred twelve thousand, two hundred twenty-five".