298328978025 has 81 divisors (see below), whose sum is σ = 578811872847. Its totient is φ = 146817216000.

The previous prime is 298328977993. The next prime is 298328978039. The reversal of 298328978025 is 520879823892.

The square root of 298328978025 is 546195.

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

It can be written as a sum of positive squares in 13 ways, for example, as 278128609641 + 20200368384 = 527379^2 + 142128^2 .

It is not a de Polignac number, because 298328978025 - 2⁵ = 298328977993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 106506625 + ... + 106509425.

Almost surely, 2^298328978025 is an apocalyptic number.

298328978025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298328978025 is the 546195-th square number.

298328978025 is the 273098-th centered octagonal number.

It is an amenable number.

298328978025 is a deficient number, since it is larger than the sum of its proper divisors (280482894822).

298328978025 is an equidigital number, since it uses as much as digits as its factorization.

298328978025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644 (or 2822 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 298328978025 in words is "two hundred ninety-eight billion, three hundred twenty-eight million, nine hundred seventy-eight thousand, twenty-five".