298908225625 has 45 divisors (see below), whose sum is σ = 394551900633. Its totient is φ = 226344150000.

The previous prime is 298908225613. The next prime is 298908225631. The reversal of 298908225625 is 526522809892.

It is a happy number.

The square root of 298908225625 is 546725.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23434404889 + 275473820736 = 153083^2 + 524856^2 .

It is not a de Polignac number, because 298908225625 - 2¹⁵ = 298908192857 is a prime.

It is a super-2 number, since 2×298908225625² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 298908225625.

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, 259693800 + ... + 259694950.

Almost surely, 2^298908225625 is an apocalyptic number.

298908225625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

298908225625 is the 546725-th square number.

298908225625 is the 273363-rd centered octagonal number.

It is an amenable number.

298908225625 is a deficient number, since it is larger than the sum of its proper divisors (95643675008).

298908225625 is an frugal number, since it uses more digits than its factorization.

298908225625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360 (or 1175 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The spelling of 298908225625 in words is "two hundred ninety-eight billion, nine hundred eight million, two hundred twenty-five thousand, six hundred twenty-five".