298213825 has 48 divisors (see below), whose sum is σ = 464970240. Its totient is φ = 184677120.

The previous prime is 298213823. The next prime is 298213849. The reversal of 298213825 is 528312892.

It is not a de Polignac number, because 298213825 - 2¹ = 298213823 is a prime.

It is a super-2 number, since 2×298213825² = 177862970842261250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (298213823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105531 + ... + 108319.

It is an arithmetic number, because the mean of its divisors is an integer number (9686880).

Almost surely, 2^298213825 is an apocalyptic number.

298213825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

298213825 is a deficient number, since it is larger than the sum of its proper divisors (166756415).

298213825 is a wasteful number, since it uses less digits than its factorization.

298213825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2866 (or 2861 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 298213825 is about 17268.8686658970. The cubic root of 298213825 is about 668.1017219027.

It can be divided in two parts, 2982 and 13825, that added together give a 5-th power (16807 = 7⁵).

The spelling of 298213825 in words is "two hundred ninety-eight million, two hundred thirteen thousand, eight hundred twenty-five".