253750 has 40 divisors (see below), whose sum is σ = 562320. Its totient is φ = 84000.

The previous prime is 253741. The next prime is 253751. The reversal of 253750 is 57352.

It is a nialpdrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8736 + ... + 8764.

It is an arithmetic number, because the mean of its divisors is an integer number (14058).

253750 is a Friedman number, since it can be written as 7250*35, using all its digits and the basic arithmetic operations.

It is a vampire number, since it can be written as 350 ⋅ 725 (with its own digits).

2²⁵³⁷⁵⁰ is an apocalyptic number.

253750 is an abundant number, since it is smaller than the sum of its proper divisors (308570).

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

253750 is an equidigital number, since it uses as much as digits as its factorization.

253750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 22.

The square root of 253750 is about 503.7360419902. The cubic root of 253750 is about 63.3094708503.

The spelling of 253750 in words is "two hundred fifty-three thousand, seven hundred fifty".