98986513 has 2 divisors, whose sum is σ = 98986514. Its totient is φ = 98986512.

The previous prime is 98986501. The next prime is 98986553. The reversal of 98986513 is 31568989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93566929 + 5419584 = 9673^2 + 2328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98986513 is a prime.

It is not a weakly prime, because it can be changed into another prime (98986553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49493256 + 49493257.

It is an arithmetic number, because the mean of its divisors is an integer number (49493257).

Almost surely, 2^98986513 is an apocalyptic number.

It is an amenable number.

98986513 is a deficient number, since it is larger than the sum of its proper divisors (1).

98986513 is an equidigital number, since it uses as much as digits as its factorization.

98986513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The square root of 98986513 is about 9949.1966007311. The cubic root of 98986513 is about 462.5854926448.

It can be divided in two parts, 98986 and 513, that added together give a palindrome (99499).

The spelling of 98986513 in words is "ninety-eight million, nine hundred eighty-six thousand, five hundred thirteen".