998193527 has 2 divisors, whose sum is σ = 998193528. Its totient is φ = 998193526.

The previous prime is 998193517. The next prime is 998193533. The reversal of 998193527 is 725391899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998193527 - 2⁶ = 998193463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998193517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499096763 + 499096764.

It is an arithmetic number, because the mean of its divisors is an integer number (499096764).

Almost surely, 2^998193527 is an apocalyptic number.

998193527 is a deficient number, since it is larger than the sum of its proper divisors (1).

998193527 is an equidigital number, since it uses as much as digits as its factorization.

998193527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 53.

The square root of 998193527 is about 31594.2008444588. The cubic root of 998193527 is about 999.3974793751.

The spelling of 998193527 in words is "nine hundred ninety-eight million, one hundred ninety-three thousand, five hundred twenty-seven".