298066862025 has 81 divisors (see below), whose sum is σ = 567387351583. Its totient is φ = 149547993600.

The previous prime is 298066862011. The next prime is 298066862029. The reversal of 298066862025 is 520268660892.

The square root of 298066862025 is 545955.

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

298066862025 is a `hidden beast` number, since 2 + 9 + 8 + 0 + 6 + 6 + 8 + 620 + 2 + 5 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 1181365641 + 296885496384 = 34371^2 + 544872^2 .

It is not a de Polignac number, because 298066862025 - 2¹¹ = 298066859977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298066862029) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 139217455 + ... + 139219595.

Almost surely, 2^298066862025 is an apocalyptic number.

298066862025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298066862025 is the 545955-th square number.

298066862025 is the 272978-th centered octagonal number.

It is an amenable number.

298066862025 is a deficient number, since it is larger than the sum of its proper divisors (269320489558).

298066862025 is an equidigital number, since it uses as much as digits as its factorization.

298066862025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 298066862025 in words is "two hundred ninety-eight billion, sixty-six million, eight hundred sixty-two thousand, twenty-five".