308880625 has 45 divisors (see below), whose sum is σ = 418668327. Its totient is φ = 227772000.

The previous prime is 308880571. The next prime is 308880643. The reversal of 308880625 is 526088803.

The square root of 308880625 is 17575.

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 102556129 + 206324496 = 10127^2 + 14364^2 .

It is not a de Polignac number, because 308880625 - 2⁹ = 308880113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 8348107 + ... + 8348143.

Almost surely, 2^308880625 is an apocalyptic number.

308880625 is the 17575-th square number.

308880625 is the 8788-th centered octagonal number.

It is an amenable number.

308880625 is a deficient number, since it is larger than the sum of its proper divisors (109787702).

308880625 is an frugal number, since it uses more digits than its factorization.

308880625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 61 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The cubic root of 308880625 is about 675.9743587312.

The spelling of 308880625 in words is "three hundred eight million, eight hundred eighty thousand, six hundred twenty-five".