253065 has 8 divisors (see below), whose sum is σ = 404928. Its totient is φ = 134960.

The previous prime is 253063. The next prime is 253081. The reversal of 253065 is 560352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253065 - 2¹ = 253063 is a prime.

It is a Curzon number.

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 253065.

It is not an unprimeable number, because it can be changed into a prime (253063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8421 + ... + 8450.

It is an arithmetic number, because the mean of its divisors is an integer number (50616).

253065 is a Friedman number, since it can be written as 503^2+56, using all its digits and the basic arithmetic operations.

2²⁵³⁰⁶⁵ is an apocalyptic number.

It is an amenable number.

253065 is a deficient number, since it is larger than the sum of its proper divisors (151863).

253065 is a wasteful number, since it uses less digits than its factorization.

253065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16879.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 253065 is about 503.0556629241. The cubic root of 253065 is about 63.2524513832.

The spelling of 253065 in words is "two hundred fifty-three thousand, sixty-five".