224161513 has 2 divisors, whose sum is σ = 224161514. Its totient is φ = 224161512.

The previous prime is 224161501. The next prime is 224161517. The reversal of 224161513 is 315161422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 224160784 + 729 = 14972^2 + 27^2 .

It is a cyclic number.

It is not a de Polignac number, because 224161513 - 2⁵ = 224161481 is a prime.

It is not a weakly prime, because it can be changed into another prime (224161517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112080756 + 112080757.

It is an arithmetic number, because the mean of its divisors is an integer number (112080757).

Almost surely, 2^224161513 is an apocalyptic number.

It is an amenable number.

224161513 is a deficient number, since it is larger than the sum of its proper divisors (1).

224161513 is an equidigital number, since it uses as much as digits as its factorization.

224161513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 25.

The square root of 224161513 is about 14972.0243454250. The cubic root of 224161513 is about 607.4637261502.

Subtracting 224161513 from its reverse (315161422), we obtain a palindrome (90999909).

The spelling of 224161513 in words is "two hundred twenty-four million, one hundred sixty-one thousand, five hundred thirteen".