6654480625 has 45 divisors (see below), whose sum is σ = 9040308519. Its totient is φ = 4894500000.

The previous prime is 6654480619. The next prime is 6654480641. The reversal of 6654480625 is 5260844566.

The square root of 6654480625 is 81575.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 6572831329 + 81649296 = 81073^2 + 9036^2 .

It is not a de Polignac number, because 6654480625 - 2⁵ = 6654480593 is a prime.

It is a super-2 number, since 2×6654480625² = 88564224777000781250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 26511750 + ... + 26512000.

Almost surely, 2^6654480625 is an apocalyptic number.

6654480625 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

6654480625 is the 81575-th square number.

6654480625 is the 40788-th centered octagonal number.

It is an amenable number.

6654480625 is a deficient number, since it is larger than the sum of its proper divisors (2385827894).

6654480625 is an frugal number, since it uses more digits than its factorization.

6654480625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The cubic root of 6654480625 is about 1880.9246079084.

The spelling of 6654480625 in words is "six billion, six hundred fifty-four million, four hundred eighty thousand, six hundred twenty-five".