654745854 has 64 divisors (see below), whose sum is σ = 1635766272. Its totient is φ = 170380800.

The previous prime is 654745849. The next prime is 654745867. The reversal of 654745854 is 458547456.

654745854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7344 + ... + 36924.

It is an arithmetic number, because the mean of its divisors is an integer number (25558848).

Almost surely, 2^654745854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654745854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817883136).

654745854 is an abundant number, since it is smaller than the sum of its proper divisors (981020418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654745854 is a wasteful number, since it uses less digits than its factorization.

654745854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29641.

The product of its digits is 2688000, while the sum is 48.

The square root of 654745854 is about 25588.0021494450. The cubic root of 654745854 is about 868.3422229663.

The spelling of 654745854 in words is "six hundred fifty-four million, seven hundred forty-five thousand, eight hundred fifty-four".