653389 has 4 divisors (see below), whose sum is σ = 712800. Its totient is φ = 593980.

The previous prime is 653363. The next prime is 653431. The reversal of 653389 is 983356.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 653389 - 2⁵ = 653357 is a prime.

653389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653339) 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 3 ways as a sum of consecutive naturals, for example, 29689 + ... + 29710.

It is an arithmetic number, because the mean of its divisors is an integer number (178200).

2⁶⁵³³⁸⁹ is an apocalyptic number.

It is an amenable number.

653389 is a deficient number, since it is larger than the sum of its proper divisors (59411).

653389 is a wasteful number, since it uses less digits than its factorization.

653389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59410.

The product of its digits is 19440, while the sum is 34.

The square root of 653389 is about 808.3248109516. The cubic root of 653389 is about 86.7741975590.

The spelling of 653389 in words is "six hundred fifty-three thousand, three hundred eighty-nine".