115983247 has 2 divisors, whose sum is σ = 115983248. Its totient is φ = 115983246.

The previous prime is 115983223. The next prime is 115983269. The reversal of 115983247 is 742389511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115983247 is a prime.

It is a super-2 number, since 2×115983247² = 26904227169326018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115981247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57991623 + 57991624.

It is an arithmetic number, because the mean of its divisors is an integer number (57991624).

Almost surely, 2^115983247 is an apocalyptic number.

115983247 is a deficient number, since it is larger than the sum of its proper divisors (1).

115983247 is an equidigital number, since it uses as much as digits as its factorization.

115983247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 115983247 is about 10769.5518476861. The cubic root of 115983247 is about 487.6764167116.

The spelling of 115983247 in words is "one hundred fifteen million, nine hundred eighty-three thousand, two hundred forty-seven".