656453 has 6 divisors (see below), whose sum is σ = 763686. Its totient is φ = 562632.

The previous prime is 656429. The next prime is 656459. The reversal of 656453 is 354656.

It can be written as a sum of positive squares in only one way, i.e., 388129 + 268324 = 623^2 + 518^2 .

It is not a de Polignac number, because 656453 - 2⁶ = 656389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6650 + ... + 6747.

It is an arithmetic number, because the mean of its divisors is an integer number (127281).

2⁶⁵⁶⁴⁵³ is an apocalyptic number.

It is an amenable number.

656453 is a deficient number, since it is larger than the sum of its proper divisors (107233).

656453 is a wasteful number, since it uses less digits than its factorization.

656453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13411 (or 13404 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 656453 is about 810.2178719332. The cubic root of 656453 is about 86.9096256226.

The spelling of 656453 in words is "six hundred fifty-six thousand, four hundred fifty-three".