653342 has 16 divisors (see below), whose sum is σ = 1026432. Its totient is φ = 311640.

The previous prime is 653339. The next prime is 653357. The reversal of 653342 is 243356.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6053 + ... + 6159.

It is an arithmetic number, because the mean of its divisors is an integer number (64152).

2⁶⁵³³⁴² is an apocalyptic number.

653342 is a deficient number, since it is larger than the sum of its proper divisors (373090).

653342 is a wasteful number, since it uses less digits than its factorization.

653342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223.

The product of its digits is 2160, while the sum is 23.

The square root of 653342 is about 808.2957379573. The cubic root of 653342 is about 86.7721168766.

Adding to 653342 its reverse (243356), we get a palindrome (896698).

The spelling of 653342 in words is "six hundred fifty-three thousand, three hundred forty-two".