654520000 has 70 divisors (see below), whose sum is σ = 1623096068. Its totient is φ = 261792000.

The previous prime is 654519991. The next prime is 654520021. The reversal of 654520000 is 25456.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31819 + ... + 48181.

Almost surely, 2^654520000 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 654520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (811548034).

654520000 is an abundant number, since it is smaller than the sum of its proper divisors (968576068).

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

654520000 is an equidigital number, since it uses as much as digits as its factorization.

654520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16395 (or 16370 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 654520000 is about 25583.5884894985. The cubic root of 654520000 is about 868.2423668578.

Adding to 654520000 its reverse (25456), we get a palindrome (654545456).

The spelling of 654520000 in words is "six hundred fifty-four million, five hundred twenty thousand".