654604330 has 8 divisors (see below), whose sum is σ = 1178287812. Its totient is φ = 261841728.

The previous prime is 654604303. The next prime is 654604337. The reversal of 654604330 is 33406456.

It can be written as a sum of positive squares in 2 ways, for example, as 639230089 + 15374241 = 25283^2 + 3921^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 654604292 and 654604301.

It is not an unprimeable number, because it can be changed into a prime (654604337) 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, 32730207 + ... + 32730226.

Almost surely, 2^654604330 is an apocalyptic number.

654604330 is a deficient number, since it is larger than the sum of its proper divisors (523683482).

654604330 is a wasteful number, since it uses less digits than its factorization.

654604330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65460440.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 654604330 is about 25585.2365632995. The cubic root of 654604330 is about 868.2796540985.

The spelling of 654604330 in words is "six hundred fifty-four million, six hundred four thousand, three hundred thirty".