656535343 has 4 divisors (see below), whose sum is σ = 657714600. Its totient is φ = 655356088.

The previous prime is 656535331. The next prime is 656535353. The reversal of 656535343 is 343535656.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-656535343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 656535296 and 656535305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656535323) 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, 588793 + ... + 589906.

It is an arithmetic number, because the mean of its divisors is an integer number (164428650).

Almost surely, 2^656535343 is an apocalyptic number.

656535343 is a deficient number, since it is larger than the sum of its proper divisors (1179257).

656535343 is a wasteful number, since it uses less digits than its factorization.

656535343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179256.

The product of its digits is 486000, while the sum is 40.

The square root of 656535343 is about 25622.9456347236. The cubic root of 656535343 is about 869.1325934310.

The spelling of 656535343 in words is "six hundred fifty-six million, five hundred thirty-five thousand, three hundred forty-three".