15002291 has 2 divisors, whose sum is σ = 15002292. Its totient is φ = 15002290.

The previous prime is 15002287. The next prime is 15002293. The reversal of 15002291 is 19220051.

It is a strong prime.

It is an emirp because it is prime and its reverse (19220051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15002291 - 2² = 15002287 is a prime.

Together with 15002293, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15002293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7501145 + 7501146.

It is an arithmetic number, because the mean of its divisors is an integer number (7501146).

Almost surely, 2^15002291 is an apocalyptic number.

15002291 is a deficient number, since it is larger than the sum of its proper divisors (1).

15002291 is an equidigital number, since it uses as much as digits as its factorization.

15002291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 15002291 is about 3873.2791017431. The cubic root of 15002291 is about 246.6337625536.

The spelling of 15002291 in words is "fifteen million, two thousand, two hundred ninety-one".