15275147 has 2 divisors, whose sum is σ = 15275148. Its totient is φ = 15275146.

The previous prime is 15275137. The next prime is 15275149. The reversal of 15275147 is 74157251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15275147 - 2⁴ = 15275131 is a prime.

Together with 15275149, 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 (15275149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7637573 + 7637574.

It is an arithmetic number, because the mean of its divisors is an integer number (7637574).

Almost surely, 2^15275147 is an apocalyptic number.

15275147 is a deficient number, since it is larger than the sum of its proper divisors (1).

15275147 is an equidigital number, since it uses as much as digits as its factorization.

15275147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9800, while the sum is 32.

The square root of 15275147 is about 3908.3432551402. The cubic root of 15275147 is about 248.1200154024.

The spelling of 15275147 in words is "fifteen million, two hundred seventy-five thousand, one hundred forty-seven".