15794249 has 2 divisors, whose sum is σ = 15794250. Its totient is φ = 15794248.

The previous prime is 15794243. The next prime is 15794267. The reversal of 15794249 is 94249751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 6091024 = 3115^2 + 2468^2 .

It is a cyclic number.

It is not a de Polignac number, because 15794249 - 2²⁰ = 14745673 is a prime.

It is not a weakly prime, because it can be changed into another prime (15794243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7897124 + 7897125.

It is an arithmetic number, because the mean of its divisors is an integer number (7897125).

Almost surely, 2^15794249 is an apocalyptic number.

It is an amenable number.

15794249 is a deficient number, since it is larger than the sum of its proper divisors (1).

15794249 is an equidigital number, since it uses as much as digits as its factorization.

15794249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 15794249 is about 3974.1979064964. The cubic root of 15794249 is about 250.8994216159.

The spelling of 15794249 in words is "fifteen million, seven hundred ninety-four thousand, two hundred forty-nine".