253765250 has 16 divisors (see below), whose sum is σ = 475049016. Its totient is φ = 101506000.

The previous prime is 253765241. The next prime is 253765261. The reversal of 253765250 is 52567352.

It can be written as a sum of positive squares in 4 ways, for example, as 158331889 + 95433361 = 12583^2 + 9769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 253765250.

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, 507281 + ... + 507780.

Almost surely, 2^253765250 is an apocalyptic number.

253765250 is a deficient number, since it is larger than the sum of its proper divisors (221283766).

253765250 is a wasteful number, since it uses less digits than its factorization.

253765250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015078 (or 1015068 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 253765250 is about 15930.0109855580. The cubic root of 253765250 is about 633.1073909341.

The spelling of 253765250 in words is "two hundred fifty-three million, seven hundred sixty-five thousand, two hundred fifty".