998193525 has 48 divisors (see below), whose sum is σ = 1895259648. Its totient is φ = 454104000.

The previous prime is 998193517. The next prime is 998193527. The reversal of 998193525 is 525391899.

It is not a de Polignac number, because 998193525 - 2³ = 998193517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998193527) 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, 106270 + ... + 115280.

It is an arithmetic number, because the mean of its divisors is an integer number (39484576).

Almost surely, 2^998193525 is an apocalyptic number.

It is an amenable number.

998193525 is a deficient number, since it is larger than the sum of its proper divisors (897066123).

998193525 is a wasteful number, since it uses less digits than its factorization.

998193525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9242 (or 9237 counting only the distinct ones).

The product of its digits is 874800, while the sum is 51.

The square root of 998193525 is about 31594.2008128074. The cubic root of 998193525 is about 999.3974787077.

The spelling of 998193525 in words is "nine hundred ninety-eight million, one hundred ninety-three thousand, five hundred twenty-five".