510244225 has 6 divisors (see below), whose sum is σ = 632702870. Its totient is φ = 408195360.

The previous prime is 510244219. The next prime is 510244253. The reversal of 510244225 is 522442015.

It can be written as a sum of positive squares in 3 ways, for example, as 3814209 + 506430016 = 1953^2 + 22504^2 .

It is not a de Polignac number, because 510244225 - 2⁵ = 510244193 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: 20409769 = 510244225 / (5 + 1 + 0 + 2 + 4 + 4 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 510244225.

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, 10204860 + ... + 10204909.

Almost surely, 2^510244225 is an apocalyptic number.

It is an amenable number.

510244225 is a deficient number, since it is larger than the sum of its proper divisors (122458645).

510244225 is a wasteful number, since it uses less digits than its factorization.

510244225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409779 (or 20409774 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 510244225 is about 22588.5861664691. The cubic root of 510244225 is about 799.0844865477.

The spelling of 510244225 in words is "five hundred ten million, two hundred forty-four thousand, two hundred twenty-five".