654652 has 12 divisors (see below), whose sum is σ = 1164856. Its totient is φ = 321840.

The previous prime is 654629. The next prime is 654671. The reversal of 654652 is 256456.

It is a super-2 number, since 2×654652² = 857138482208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 654652.

It is a congruent number.

It is an unprimeable number.

654652 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098 + ... + 1585.

2⁶⁵⁴⁶⁵² is an apocalyptic number.

It is an amenable number.

654652 is a deficient number, since it is larger than the sum of its proper divisors (510204).

654652 is a wasteful number, since it uses less digits than its factorization.

654652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2746 counting only the distinct ones).

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

The square root of 654652 is about 809.1056791297. The cubic root of 654652 is about 86.8300730386.

The spelling of 654652 in words is "six hundred fifty-four thousand, six hundred fifty-two".