253091250 has 80 divisors (see below), whose sum is σ = 702900000. Its totient is φ = 67482000.

The previous prime is 253091243. The next prime is 253091261. The reversal of 253091250 is 52190352.

253091250 is a `hidden beast` number, since 2 + 530 + 9 + 125 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30001 + ... + 37499.

It is an arithmetic number, because the mean of its divisors is an integer number (8786250).

Almost surely, 2^253091250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253091250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351450000).

253091250 is an abundant number, since it is smaller than the sum of its proper divisors (449808750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253091250 is an equidigital number, since it uses as much as digits as its factorization.

253091250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7530 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 253091250 is about 15908.8418811678. The cubic root of 253091250 is about 632.5463833045.

The spelling of 253091250 in words is "two hundred fifty-three million, ninety-one thousand, two hundred fifty".