253725 has 24 divisors (see below), whose sum is σ = 446400. Its totient is φ = 126720.

The previous prime is 253717. The next prime is 253733. The reversal of 253725 is 527352.

It is an interprime number because it is at equal distance from previous prime (253717) and next prime (253733).

It is not a de Polignac number, because 253725 - 2³ = 253717 is a prime.

It is a super-4 number, since 4×253725⁴ (a number of 23 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 253695 and 253704.

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 253725.

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 23 ways as a sum of consecutive naturals, for example, 1176 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (18600).

2²⁵³⁷²⁵ is an apocalyptic number.

253725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

253725 is a deficient number, since it is larger than the sum of its proper divisors (192675).

253725 is a wasteful number, since it uses less digits than its factorization.

253725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 224 counting only the distinct ones).

The product of its digits is 2100, while the sum is 24.

The square root of 253725 is about 503.7112267957. The cubic root of 253725 is about 63.3073916532.

The spelling of 253725 in words is "two hundred fifty-three thousand, seven hundred twenty-five".