99701543 has 2 divisors, whose sum is σ = 99701544. Its totient is φ = 99701542.

The previous prime is 99701519. The next prime is 99701551. The reversal of 99701543 is 34510799.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99701543 - 2¹⁶ = 99636007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99701497 and 99701506.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99701513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49850771 + 49850772.

It is an arithmetic number, because the mean of its divisors is an integer number (49850772).

Almost surely, 2^99701543 is an apocalyptic number.

99701543 is a deficient number, since it is larger than the sum of its proper divisors (1).

99701543 is an equidigital number, since it uses as much as digits as its factorization.

99701543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 99701543 is about 9985.0659987804. The cubic root of 99701543 is about 463.6966516420.

The spelling of 99701543 in words is "ninety-nine million, seven hundred one thousand, five hundred forty-three".