15342797 has 2 divisors, whose sum is σ = 15342798. Its totient is φ = 15342796.

The previous prime is 15342763. The next prime is 15342829. The reversal of 15342797 is 79724351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8128201 + 7214596 = 2851^2 + 2686^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15342797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15342797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15342707) 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, 7671398 + 7671399.

It is an arithmetic number, because the mean of its divisors is an integer number (7671399).

Almost surely, 2^15342797 is an apocalyptic number.

It is an amenable number.

15342797 is a deficient number, since it is larger than the sum of its proper divisors (1).

15342797 is an equidigital number, since it uses as much as digits as its factorization.

15342797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 15342797 is about 3916.9882563010. The cubic root of 15342797 is about 248.4857642106.

The spelling of 15342797 in words is "fifteen million, three hundred forty-two thousand, seven hundred ninety-seven".