654255643 has 8 divisors (see below), whose sum is σ = 669988800. Its totient is φ = 638708928.

The previous prime is 654255619. The next prime is 654255647. The reversal of 654255643 is 346552456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654255643 - 2⁵ = 654255611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 654255596 and 654255605.

It is not an unprimeable number, because it can be changed into a prime (654255647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39496 + ... + 53557.

It is an arithmetic number, because the mean of its divisors is an integer number (83748600).

Almost surely, 2^654255643 is an apocalyptic number.

654255643 is a deficient number, since it is larger than the sum of its proper divisors (15733157).

654255643 is an equidigital number, since it uses as much as digits as its factorization.

654255643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93221.

The product of its digits is 432000, while the sum is 40.

The square root of 654255643 is about 25578.4214329188. The cubic root of 654255643 is about 868.1254583570.

The spelling of 654255643 in words is "six hundred fifty-four million, two hundred fifty-five thousand, six hundred forty-three".