998361025 has 12 divisors (see below), whose sum is σ = 1238361712. Its totient is φ = 798434640.

The previous prime is 998360969. The next prime is 998361071. The reversal of 998361025 is 520163899.

It is a happy number.

998361025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 998361025 - 2⁷ = 998360897 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138562 + ... + 145588.

Almost surely, 2^998361025 is an apocalyptic number.

It is an amenable number.

998361025 is a deficient number, since it is larger than the sum of its proper divisors (240000687).

998361025 is a wasteful number, since it uses less digits than its factorization.

998361025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12720 (or 12715 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 998361025 is about 31596.8515045408. The cubic root of 998361025 is about 999.4533762569.

The spelling of 998361025 in words is "nine hundred ninety-eight million, three hundred sixty-one thousand, twenty-five".