15479641 has 2 divisors, whose sum is σ = 15479642. Its totient is φ = 15479640.

The previous prime is 15479627. The next prime is 15479647. The reversal of 15479641 is 14697451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10208025 + 5271616 = 3195^2 + 2296^2 .

It is a cyclic number.

It is not a de Polignac number, because 15479641 - 2⁵ = 15479609 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15479641.

It is not a weakly prime, because it can be changed into another prime (15479647) 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, 7739820 + 7739821.

It is an arithmetic number, because the mean of its divisors is an integer number (7739821).

Almost surely, 2^15479641 is an apocalyptic number.

It is an amenable number.

15479641 is a deficient number, since it is larger than the sum of its proper divisors (1).

15479641 is an equidigital number, since it uses as much as digits as its factorization.

15479641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 15479641 is about 3934.4174918277. The cubic root of 15479641 is about 249.2223354597. Note that the first 3 decimals are identical.

The spelling of 15479641 in words is "fifteen million, four hundred seventy-nine thousand, six hundred forty-one".