653125 has 24 divisors (see below), whose sum is σ = 937440. Its totient is φ = 450000.

The previous prime is 653117. The next prime is 653143. The reversal of 653125 is 521356.

It is a happy number.

It is not a de Polignac number, because 653125 - 2³ = 653117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653096 and 653105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34366 + ... + 34384.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁶⁵³¹²⁵ is an apocalyptic number.

It is an amenable number.

653125 is a deficient number, since it is larger than the sum of its proper divisors (284315).

653125 is an equidigital number, since it uses as much as digits as its factorization.

653125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 35 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 653125 is about 808.1614937622. The cubic root of 653125 is about 86.7625090273.

Subtracting from 653125 its reverse (521356), we obtain a square (131769 = 363²).

It can be divided in two parts, 6531 and 25, that added together give a palindrome (6556).

The spelling of 653125 in words is "six hundred fifty-three thousand, one hundred twenty-five".