653525 has 6 divisors (see below), whose sum is σ = 810402. Its totient is φ = 522800.

The previous prime is 653519. The next prime is 653537. The reversal of 653525 is 525356.

It can be written as a sum of positive squares in 3 ways, for example, as 78961 + 574564 = 281^2 + 758^2 .

It is not a de Polignac number, because 653525 - 2⁶ = 653461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 653494 and 653503.

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 653525.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13046 + ... + 13095.

It is an arithmetic number, because the mean of its divisors is an integer number (135067).

2⁶⁵³⁵²⁵ is an apocalyptic number.

It is an amenable number.

653525 is a deficient number, since it is larger than the sum of its proper divisors (156877).

653525 is a wasteful number, since it uses less digits than its factorization.

653525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26151 (or 26146 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 653525 is about 808.4089311728. The cubic root of 653525 is about 86.7802176952.

The spelling of 653525 in words is "six hundred fifty-three thousand, five hundred twenty-five".