52702225 has 6 divisors (see below), whose sum is σ = 65350790. Its totient is φ = 42161760.

The previous prime is 52702213. The next prime is 52702253. The reversal of 52702225 is 52220725.

It can be written as a sum of positive squares in 3 ways, for example, as 804609 + 51897616 = 897^2 + 7204^2 .

It is not a de Polignac number, because 52702225 - 2⁹ = 52701713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2108089 = 52702225 / (5 + 2 + 7 + 0 + 2 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 52702225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1054020 + ... + 1054069.

Almost surely, 2^52702225 is an apocalyptic number.

It is an amenable number.

52702225 is a deficient number, since it is larger than the sum of its proper divisors (12648565).

52702225 is a wasteful number, since it uses less digits than its factorization.

52702225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108099 (or 2108094 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 52702225 is about 7259.6298114987. The cubic root of 52702225 is about 374.9237771005.

The spelling of 52702225 in words is "fifty-two million, seven hundred two thousand, two hundred twenty-five".