653385 has 16 divisors (see below), whose sum is σ = 1070784. Its totient is φ = 340032.

The previous prime is 653363. The next prime is 653431. The reversal of 653385 is 583356.

653385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 653385 - 2⁶ = 653321 is a prime.

653385 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139 + ... + 1151.

It is an arithmetic number, because the mean of its divisors is an integer number (66924).

2⁶⁵³³⁸⁵ is an apocalyptic number.

It is an amenable number.

653385 is a deficient number, since it is larger than the sum of its proper divisors (417399).

653385 is a wasteful number, since it uses less digits than its factorization.

653385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064.

The product of its digits is 10800, while the sum is 30.

The square root of 653385 is about 808.3223366950. The cubic root of 653385 is about 86.7740204836.

The spelling of 653385 in words is "six hundred fifty-three thousand, three hundred eighty-five".