244891249 has 2 divisors, whose sum is σ = 244891250. Its totient is φ = 244891248.

The previous prime is 244891187. The next prime is 244891253. The reversal of 244891249 is 942198442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223203600 + 21687649 = 14940^2 + 4657^2 .

It is a cyclic number.

It is not a de Polignac number, because 244891249 - 2⁷ = 244891121 is a prime.

It is a super-3 number, since 3×244891249³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (244891259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122445624 + 122445625.

It is an arithmetic number, because the mean of its divisors is an integer number (122445625).

Almost surely, 2^244891249 is an apocalyptic number.

It is an amenable number.

244891249 is a deficient number, since it is larger than the sum of its proper divisors (1).

244891249 is an equidigital number, since it uses as much as digits as its factorization.

244891249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 43.

The square root of 244891249 is about 15649.0015336442. The cubic root of 244891249 is about 625.6398771480.

The spelling of 244891249 in words is "two hundred forty-four million, eight hundred ninety-one thousand, two hundred forty-nine".