15364997 has 2 divisors, whose sum is σ = 15364998. Its totient is φ = 15364996.

The previous prime is 15364981. The next prime is 15365003. The reversal of 15364997 is 79946351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 2217121 = 3626^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 15364997 - 2⁴ = 15364981 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15364907) 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, 7682498 + 7682499.

It is an arithmetic number, because the mean of its divisors is an integer number (7682499).

Almost surely, 2^15364997 is an apocalyptic number.

It is an amenable number.

15364997 is a deficient number, since it is larger than the sum of its proper divisors (1).

15364997 is an equidigital number, since it uses as much as digits as its factorization.

15364997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 44.

The square root of 15364997 is about 3919.8210418334. The cubic root of 15364997 is about 248.6055538745.

It can be divided in two parts, 15364 and 997, that added together give a palindrome (16361).

The spelling of 15364997 in words is "fifteen million, three hundred sixty-four thousand, nine hundred ninety-seven".