653343 has 4 divisors (see below), whose sum is σ = 871128. Its totient is φ = 435560.

The previous prime is 653339. The next prime is 653357. The reversal of 653343 is 343356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 653343 - 2² = 653339 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108888 + ... + 108893.

It is an arithmetic number, because the mean of its divisors is an integer number (217782).

2⁶⁵³³⁴³ is an apocalyptic number.

653343 is a deficient number, since it is larger than the sum of its proper divisors (217785).

653343 is a wasteful number, since it uses less digits than its factorization.

653343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217784.

The product of its digits is 3240, while the sum is 24.

The square root of 653343 is about 808.2963565426. The cubic root of 653343 is about 86.7721611475.

Adding to 653343 its reverse (343356), we get a palindrome (996699).

The spelling of 653343 in words is "six hundred fifty-three thousand, three hundred forty-three".