98158519 has 2 divisors, whose sum is σ = 98158520. Its totient is φ = 98158518.

The previous prime is 98158517. The next prime is 98158553. The reversal of 98158519 is 91585189.

It is a weak prime.

It is an emirp because it is prime and its reverse (91585189) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98158519 - 2¹ = 98158517 is a prime.

It is a super-2 number, since 2×98158519² = 19270189704546722, which contains 22 as substring.

Together with 98158517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98158517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49079259 + 49079260.

It is an arithmetic number, because the mean of its divisors is an integer number (49079260).

Almost surely, 2^98158519 is an apocalyptic number.

98158519 is a deficient number, since it is larger than the sum of its proper divisors (1).

98158519 is an equidigital number, since it uses as much as digits as its factorization.

98158519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 46.

The square root of 98158519 is about 9907.4981201108. The cubic root of 98158519 is about 461.2920809231.

The spelling of 98158519 in words is "ninety-eight million, one hundred fifty-eight thousand, five hundred nineteen".