15324161 has 2 divisors, whose sum is σ = 15324162. Its totient is φ = 15324160.

The previous prime is 15324149. The next prime is 15324163. The reversal of 15324161 is 16142351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 3352561 = 3460^2 + 1831^2 .

It is a cyclic number.

It is not a de Polignac number, because 15324161 - 2¹⁴ = 15307777 is a prime.

Together with 15324163, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₉₉₀₃₂₀ and since 15324161 and 990320 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (15324163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7662080 + 7662081.

It is an arithmetic number, because the mean of its divisors is an integer number (7662081).

Almost surely, 2^15324161 is an apocalyptic number.

It is an amenable number.

15324161 is a deficient number, since it is larger than the sum of its proper divisors (1).

15324161 is an equidigital number, since it uses as much as digits as its factorization.

15324161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 23.

The square root of 15324161 is about 3914.6086649881. The cubic root of 15324161 is about 248.3851163978.

The spelling of 15324161 in words is "fifteen million, three hundred twenty-four thousand, one hundred sixty-one".