653575 has 12 divisors (see below), whose sum is σ = 873208. Its totient is φ = 482400.

The previous prime is 653563. The next prime is 653579. The reversal of 653575 is 575356.

It is not a de Polignac number, because 653575 - 2¹³ = 645383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681 + ... + 1330.

2⁶⁵³⁵⁷⁵ is an apocalyptic number.

653575 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

653575 is a deficient number, since it is larger than the sum of its proper divisors (219633).

653575 is a wasteful number, since it uses less digits than its factorization.

653575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034 (or 2029 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 653575 is about 808.4398555242. The cubic root of 653575 is about 86.7824307705.

The spelling of 653575 in words is "six hundred fifty-three thousand, five hundred seventy-five".