99367651 has 2 divisors, whose sum is σ = 99367652. Its totient is φ = 99367650.

The previous prime is 99367649. The next prime is 99367691. The reversal of 99367651 is 15676399.

It is a weak prime.

It is an emirp because it is prime and its reverse (15676399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99367651 - 2¹ = 99367649 is a prime.

Together with 99367649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (99367691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49683825 + 49683826.

It is an arithmetic number, because the mean of its divisors is an integer number (49683826).

Almost surely, 2^99367651 is an apocalyptic number.

99367651 is a deficient number, since it is larger than the sum of its proper divisors (1).

99367651 is an equidigital number, since it uses as much as digits as its factorization.

99367651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 99367651 is about 9968.3324081814. The cubic root of 99367651 is about 463.1784458333.

It can be divided in two parts, 993 and 67651, that added together give a square (68644 = 262²).

The spelling of 99367651 in words is "ninety-nine million, three hundred sixty-seven thousand, six hundred fifty-one".