998050231 has 2 divisors, whose sum is σ = 998050232. Its totient is φ = 998050230.

The previous prime is 998050223. The next prime is 998050237. The reversal of 998050231 is 132050899.

It is a strong prime.

It is an emirp because it is prime and its reverse (132050899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998050231 - 2³ = 998050223 is a prime.

It is a super-2 number, since 2×998050231² = 1992208527198306722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998050237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499025115 + 499025116.

It is an arithmetic number, because the mean of its divisors is an integer number (499025116).

Almost surely, 2^998050231 is an apocalyptic number.

998050231 is a deficient number, since it is larger than the sum of its proper divisors (1).

998050231 is an equidigital number, since it uses as much as digits as its factorization.

998050231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 998050231 is about 31591.9330051202. The cubic root of 998050231 is about 999.3496541420.

The spelling of 998050231 in words is "nine hundred ninety-eight million, fifty thousand, two hundred thirty-one".