654543232 has 64 divisors (see below), whose sum is σ = 1495434240. Its totient is φ = 279544320.

The previous prime is 654543193. The next prime is 654543247. The reversal of 654543232 is 232345456.

654543232 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×654543232⁴ (a number of 36 digits) contains 4444 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295473 + ... + 297679.

It is an arithmetic number, because the mean of its divisors is an integer number (23366160).

Almost surely, 2^654543232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747717120).

654543232 is an abundant number, since it is smaller than the sum of its proper divisors (840891008).

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

654543232 is a wasteful number, since it uses less digits than its factorization.

654543232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2547 counting only the distinct ones).

The product of its digits is 86400, while the sum is 34.

The square root of 654543232 is about 25584.0425265438. The cubic root of 654543232 is about 868.2526394077.

Adding to 654543232 its reverse (232345456), we get a palindrome (886888688).

It can be divided in two parts, 65454 and 3232, that added together give a palindrome (68686).

The spelling of 654543232 in words is "six hundred fifty-four million, five hundred forty-three thousand, two hundred thirty-two".