15324149 has 2 divisors, whose sum is σ = 15324150. Its totient is φ = 15324148.

The previous prime is 15324131. The next prime is 15324161. The reversal of 15324149 is 94142351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13823524 + 1500625 = 3718^2 + 1225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15324149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15324349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7662074 + 7662075.

It is an arithmetic number, because the mean of its divisors is an integer number (7662075).

Almost surely, 2^15324149 is an apocalyptic number.

It is an amenable number.

15324149 is a deficient number, since it is larger than the sum of its proper divisors (1).

15324149 is an equidigital number, since it uses as much as digits as its factorization.

15324149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 15324149 is about 3914.6071322676. The cubic root of 15324149 is about 248.3850515629.

The spelling of 15324149 in words is "fifteen million, three hundred twenty-four thousand, one hundred forty-nine".