298984772025 has 135 divisors (see below), whose sum is σ = 574951220701. Its totient is φ = 153592528320.

The previous prime is 298984772011. The next prime is 298984772039. The reversal of 298984772025 is 520277489892.

The square root of 298984772025 is 546795.

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

It is an interprime number because it is at equal distance from previous prime (298984772011) and next prime (298984772039).

It can be written as a sum of positive squares in 4 ways, for example, as 4109707449 + 294875064576 = 64107^2 + 543024^2 .

It is a tau number, because it is divible by the number of its divisors (135).

It is a de Polignac number, because none of the positive numbers 2^k-298984772025 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 (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 713567266 + ... + 713567684.

Almost surely, 2^298984772025 is an apocalyptic number.

298984772025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298984772025 is the 546795-th square number.

298984772025 is the 273398-th centered octagonal number.

It is an amenable number.

298984772025 is a deficient number, since it is larger than the sum of its proper divisors (275966448676).

298984772025 is an frugal number, since it uses more digits than its factorization.

298984772025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 298984772025 in words is "two hundred ninety-eight billion, nine hundred eighty-four million, seven hundred seventy-two thousand, twenty-five".