653347 has 4 divisors (see below), whose sum is σ = 667296. Its totient is φ = 639400.

The previous prime is 653339. The next prime is 653357. The reversal of 653347 is 743356.

653347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 653347 - 2³ = 653339 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 (653357) 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, 6904 + ... + 6997.

It is an arithmetic number, because the mean of its divisors is an integer number (166824).

2⁶⁵³³⁴⁷ is an apocalyptic number.

653347 is a deficient number, since it is larger than the sum of its proper divisors (13949).

653347 is a wasteful number, since it uses less digits than its factorization.

653347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13948.

The product of its digits is 7560, while the sum is 28.

The square root of 653347 is about 808.2988308788. The cubic root of 653347 is about 86.7723382305.

Subtracting 653347 from its reverse (743356), we obtain a palindrome (90009).

It can be divided in two parts, 65334 and 7, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 653347 in words is "six hundred fifty-three thousand, three hundred forty-seven".