653429 has 16 divisors (see below), whose sum is σ = 835200. Its totient is φ = 499392.

The previous prime is 653363. The next prime is 653431. The reversal of 653429 is 924356.

It is a de Polignac number, because none of the positive numbers 2^k-653429 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 653429.

It is not an unprimeable number, because it can be changed into a prime (653929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34382 + ... + 34400.

It is an arithmetic number, because the mean of its divisors is an integer number (52200).

2⁶⁵³⁴²⁹ is an apocalyptic number.

It is an amenable number.

653429 is a deficient number, since it is larger than the sum of its proper divisors (181771).

653429 is an equidigital number, since it uses as much as digits as its factorization.

653429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 43 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 653429 is about 808.3495531019. The cubic root of 653429 is about 86.7759682740.

It can be divided in two parts, 6 and 53429, that added together give a palindrome (53435).

The spelling of 653429 in words is "six hundred fifty-three thousand, four hundred twenty-nine".