98517247 has 2 divisors, whose sum is σ = 98517248. Its totient is φ = 98517246.

The previous prime is 98517239. The next prime is 98517253. The reversal of 98517247 is 74271589.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98517247 - 2³ = 98517239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98517277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49258623 + 49258624.

It is an arithmetic number, because the mean of its divisors is an integer number (49258624).

Almost surely, 2^98517247 is an apocalyptic number.

98517247 is a deficient number, since it is larger than the sum of its proper divisors (1).

98517247 is an equidigital number, since it uses as much as digits as its factorization.

98517247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 98517247 is about 9925.5854739154. The cubic root of 98517247 is about 461.8533404416.

The spelling of 98517247 in words is "ninety-eight million, five hundred seventeen thousand, two hundred forty-seven".