253485 has 24 divisors (see below), whose sum is σ = 453024. Its totient is φ = 131040.

The previous prime is 253481. The next prime is 253493. The reversal of 253485 is 584352.

It is not a de Polignac number, because 253485 - 2² = 253481 is a prime.

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 253485.

It is not an unprimeable number, because it can be changed into a prime (253481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1870 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (18876).

2²⁵³⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

253485 is a deficient number, since it is larger than the sum of its proper divisors (199539).

253485 is a wasteful number, since it uses less digits than its factorization.

253485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 182 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 253485 is about 503.4729386968. The cubic root of 253485 is about 63.2874244090.

The spelling of 253485 in words is "two hundred fifty-three thousand, four hundred eighty-five".