15275497 has 2 divisors, whose sum is σ = 15275498. Its totient is φ = 15275496.

The previous prime is 15275471. The next prime is 15275509. The reversal of 15275497 is 79457251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10342656 + 4932841 = 3216^2 + 2221^2 .

It is a cyclic number.

It is not a de Polignac number, because 15275497 - 2¹⁵ = 15242729 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (15275797) 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, 7637748 + 7637749.

It is an arithmetic number, because the mean of its divisors is an integer number (7637749).

Almost surely, 2^15275497 is an apocalyptic number.

It is an amenable number.

15275497 is a deficient number, since it is larger than the sum of its proper divisors (1).

15275497 is an equidigital number, since it uses as much as digits as its factorization.

15275497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88200, while the sum is 40.

The square root of 15275497 is about 3908.3880308895. The cubic root of 15275497 is about 248.1219104489.

The spelling of 15275497 in words is "fifteen million, two hundred seventy-five thousand, four hundred ninety-seven".