654256 has 20 divisors (see below), whose sum is σ = 1283152. Its totient is φ = 323136.

The previous prime is 654233. The next prime is 654257. The reversal of 654256 is 652456.

It is not an unprimeable number, because it can be changed into a prime (654257) 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, 1450 + ... + 1846.

2⁶⁵⁴²⁵⁶ is an apocalyptic number.

It is an amenable number.

654256 is a deficient number, since it is larger than the sum of its proper divisors (628896).

654256 is a wasteful number, since it uses less digits than its factorization.

654256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 502 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 654256 is about 808.8609274776. The cubic root of 654256 is about 86.8125616257.

The spelling of 654256 in words is "six hundred fifty-four thousand, two hundred fifty-six".