98512247 has 2 divisors, whose sum is σ = 98512248. Its totient is φ = 98512246.

The previous prime is 98512237. The next prime is 98512273. The reversal of 98512247 is 74221589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98512247 - 2¹⁰ = 98511223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98512247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98512237) 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, 49256123 + 49256124.

It is an arithmetic number, because the mean of its divisors is an integer number (49256124).

Almost surely, 2^98512247 is an apocalyptic number.

98512247 is a deficient number, since it is larger than the sum of its proper divisors (1).

98512247 is an equidigital number, since it uses as much as digits as its factorization.

98512247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 98512247 is about 9925.3335964087. Note that the first 3 decimals coincide. The cubic root of 98512247 is about 461.8455269002.

The spelling of 98512247 in words is "ninety-eight million, five hundred twelve thousand, two hundred forty-seven".