253015 has 8 divisors (see below), whose sum is σ = 347040. Its totient is φ = 173472.

The previous prime is 253013. The next prime is 253049. The reversal of 253015 is 510352.

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

It is a cyclic number.

It is not a de Polignac number, because 253015 - 2¹ = 253013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253013) 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, 3580 + ... + 3649.

It is an arithmetic number, because the mean of its divisors is an integer number (43380).

253015 is a Friedman number, since it can be written as 503^2+5+1, using all its digits and the basic arithmetic operations.

2²⁵³⁰¹⁵ is an apocalyptic number.

253015 is a deficient number, since it is larger than the sum of its proper divisors (94025).

253015 is an equidigital number, since it uses as much as digits as its factorization.

253015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 253015 is about 503.0059641794. The cubic root of 253015 is about 63.2482853509.

Adding to 253015 its reverse (510352), we get a palindrome (763367).

It can be divided in two parts, 2530 and 15, that multiplied together give a triangular number (37950 = T₂₇₅).

The spelling of 253015 in words is "two hundred fifty-three thousand, fifteen".