656953 has 4 divisors (see below), whose sum is σ = 716688. Its totient is φ = 597220.

The previous prime is 656951. The next prime is 656959. The reversal of 656953 is 359656.

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 656953 - 2¹ = 656951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (656951) 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, 29851 + ... + 29872.

It is an arithmetic number, because the mean of its divisors is an integer number (179172).

2⁶⁵⁶⁹⁵³ is an apocalyptic number.

It is an amenable number.

656953 is a deficient number, since it is larger than the sum of its proper divisors (59735).

656953 is a wasteful number, since it uses less digits than its factorization.

656953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59734.

The product of its digits is 24300, while the sum is 34.

The square root of 656953 is about 810.5263721804. The cubic root of 656953 is about 86.9316854831.

The spelling of 656953 in words is "six hundred fifty-six thousand, nine hundred fifty-three".