98713591 has 2 divisors, whose sum is σ = 98713592. Its totient is φ = 98713590.

The previous prime is 98713567. The next prime is 98713619. The reversal of 98713591 is 19531789.

It is a weak prime.

It is an emirp because it is prime and its reverse (19531789) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98713591 - 2⁷ = 98713463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98713541) 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, 49356795 + 49356796.

It is an arithmetic number, because the mean of its divisors is an integer number (49356796).

Almost surely, 2^98713591 is an apocalyptic number.

98713591 is a deficient number, since it is larger than the sum of its proper divisors (1).

98713591 is an equidigital number, since it uses as much as digits as its factorization.

98713591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 43.

The square root of 98713591 is about 9935.4713526838. The cubic root of 98713591 is about 462.1599600395.

The spelling of 98713591 in words is "ninety-eight million, seven hundred thirteen thousand, five hundred ninety-one".