998152543 has 2 divisors, whose sum is σ = 998152544. Its totient is φ = 998152542.

The previous prime is 998152541. The next prime is 998152553. The reversal of 998152543 is 345251899.

It is a weak prime.

It is an emirp because it is prime and its reverse (345251899) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 998152543 - 2¹ = 998152541 is a prime.

Together with 998152541, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 998152493 and 998152502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998152541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499076271 + 499076272.

It is an arithmetic number, because the mean of its divisors is an integer number (499076272).

Almost surely, 2^998152543 is an apocalyptic number.

998152543 is a deficient number, since it is larger than the sum of its proper divisors (1).

998152543 is an equidigital number, since it uses as much as digits as its factorization.

998152543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 46.

The square root of 998152543 is about 31593.5522377589. The cubic root of 998152543 is about 999.3838013772.

The spelling of 998152543 in words is "nine hundred ninety-eight million, one hundred fifty-two thousand, five hundred forty-three".