2565303250 has 16 divisors (see below), whose sum is σ = 4802248152. Its totient is φ = 1026121200.

The previous prime is 2565303197. The next prime is 2565303313. The reversal of 2565303250 is 523035652.

It can be written as a sum of positive squares in 4 ways, for example, as 1262309841 + 1302993409 = 35529^2 + 36097^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5130357 + ... + 5130856.

Almost surely, 2^2565303250 is an apocalyptic number.

2565303250 is a deficient number, since it is larger than the sum of its proper divisors (2236944902).

2565303250 is a wasteful number, since it uses less digits than its factorization.

2565303250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261230 (or 10261220 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2565303250 is about 50648.8227898734. The cubic root of 2565303250 is about 1368.9247339182.

The spelling of 2565303250 in words is "two billion, five hundred sixty-five million, three hundred three thousand, two hundred fifty".