15798241 has 2 divisors, whose sum is σ = 15798242. Its totient is φ = 15798240.

The previous prime is 15798239. The next prime is 15798247. The reversal of 15798241 is 14289751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7980625 + 7817616 = 2825^2 + 2796^2 .

It is a cyclic number.

It is not a de Polignac number, because 15798241 - 2¹ = 15798239 is a prime.

Together with 15798239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15798241.

It is not a weakly prime, because it can be changed into another prime (15798247) 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, 7899120 + 7899121.

It is an arithmetic number, because the mean of its divisors is an integer number (7899121).

Almost surely, 2^15798241 is an apocalyptic number.

It is an amenable number.

15798241 is a deficient number, since it is larger than the sum of its proper divisors (1).

15798241 is an equidigital number, since it uses as much as digits as its factorization.

15798241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 15798241 is about 3974.7001144740. The cubic root of 15798241 is about 250.9205581303.

The spelling of 15798241 in words is "fifteen million, seven hundred ninety-eight thousand, two hundred forty-one".