253625 has 8 divisors (see below), whose sum is σ = 316680. Its totient is φ = 202800.

The previous prime is 253613. The next prime is 253633. The reversal of 253625 is 526352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4624 + 249001 = 68^2 + 499^2 .

It is not a de Polignac number, because 253625 - 2⁴ = 253609 is a prime.

It is a d-powerful number, because it can be written as 2⁴ + 5² + 6⁵ + 3¹¹ + 2¹⁶ + 5⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 253625.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253625.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 890 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (39585).

2²⁵³⁶²⁵ is an apocalyptic number.

253625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253625 is a deficient number, since it is larger than the sum of its proper divisors (63055).

253625 is an equidigital number, since it uses as much as digits as its factorization.

253625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044 (or 2034 counting only the distinct ones).

The product of its digits is 1800, while the sum is 23.

The square root of 253625 is about 503.6119537898. The cubic root of 253625 is about 63.2990734990.

Adding to 253625 its reverse (526352), we get a palindrome (779977).

It can be divided in two parts, 253 and 625, that added together give a palindrome (878).

The spelling of 253625 in words is "two hundred fifty-three thousand, six hundred twenty-five".