15280847 has 2 divisors, whose sum is σ = 15280848. Its totient is φ = 15280846.

The previous prime is 15280789. The next prime is 15280849. The reversal of 15280847 is 74808251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15280847 - 2¹⁴ = 15264463 is a prime.

Together with 15280849, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15280849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7640423 + 7640424.

It is an arithmetic number, because the mean of its divisors is an integer number (7640424).

Almost surely, 2^15280847 is an apocalyptic number.

15280847 is a deficient number, since it is larger than the sum of its proper divisors (1).

15280847 is an equidigital number, since it uses as much as digits as its factorization.

15280847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 15280847 is about 3909.0723963621. The cubic root of 15280847 is about 248.1508739861.

The spelling of 15280847 in words is "fifteen million, two hundred eighty thousand, eight hundred forty-seven".