15279241 has 2 divisors, whose sum is σ = 15279242. Its totient is φ = 15279240.

The previous prime is 15279239. The next prime is 15279269. The reversal of 15279241 is 14297251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15241216 + 38025 = 3904^2 + 195^2 .

It is a cyclic number.

It is not a de Polignac number, because 15279241 - 2¹ = 15279239 is a prime.

Together with 15279239, it forms a pair of twin primes.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (15279281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7639620 + 7639621.

It is an arithmetic number, because the mean of its divisors is an integer number (7639621).

Almost surely, 2^15279241 is an apocalyptic number.

It is an amenable number.

15279241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15279241 is an equidigital number, since it uses as much as digits as its factorization.

15279241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 15279241 is about 3908.8669713870. The cubic root of 15279241 is about 248.1421802214.

The spelling of 15279241 in words is "fifteen million, two hundred seventy-nine thousand, two hundred forty-one".