656133 has 4 divisors (see below), whose sum is σ = 874848. Its totient is φ = 437420.

The previous prime is 656129. The next prime is 656141. The reversal of 656133 is 331656.

656133 is digitally balanced in base 7, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 656133 - 2² = 656129 is a prime.

It is a D-number.

656133 is strictly pandigital in base 7.

656133 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656113) 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, 109353 + ... + 109358.

It is an arithmetic number, because the mean of its divisors is an integer number (218712).

2⁶⁵⁶¹³³ is an apocalyptic number.

It is an amenable number.

656133 is a deficient number, since it is larger than the sum of its proper divisors (218715).

656133 is a wasteful number, since it uses less digits than its factorization.

656133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218714.

The product of its digits is 1620, while the sum is 24.

The square root of 656133 is about 810.0203701142. The cubic root of 656133 is about 86.8955014328.

Adding to 656133 its reverse (331656), we get a palindrome (987789).

The spelling of 656133 in words is "six hundred fifty-six thousand, one hundred thirty-three".