15342251 has 2 divisors, whose sum is σ = 15342252. Its totient is φ = 15342250.

The previous prime is 15342233. The next prime is 15342259. The reversal of 15342251 is 15224351.

It is a strong prime.

It is an emirp because it is prime and its reverse (15224351) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15342251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15342259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7671125 + 7671126.

It is an arithmetic number, because the mean of its divisors is an integer number (7671126).

Almost surely, 2^15342251 is an apocalyptic number.

15342251 is a deficient number, since it is larger than the sum of its proper divisors (1).

15342251 is an equidigital number, since it uses as much as digits as its factorization.

15342251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 23.

The square root of 15342251 is about 3916.9185592759. The cubic root of 15342251 is about 248.4828165769.

The spelling of 15342251 in words is "fifteen million, three hundred forty-two thousand, two hundred fifty-one".