244891253 has 2 divisors, whose sum is σ = 244891254. Its totient is φ = 244891252.

The previous prime is 244891249. The next prime is 244891259. The reversal of 244891253 is 352198442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 22344529 = 14918^2 + 4727^2 .

It is a cyclic number.

It is not a de Polignac number, because 244891253 - 2² = 244891249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244891259) 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, 122445626 + 122445627.

It is an arithmetic number, because the mean of its divisors is an integer number (122445627).

Almost surely, 2^244891253 is an apocalyptic number.

It is an amenable number.

244891253 is a deficient number, since it is larger than the sum of its proper divisors (1).

244891253 is an equidigital number, since it uses as much as digits as its factorization.

244891253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 244891253 is about 15649.0016614479. The cubic root of 244891253 is about 625.6398805544.

The spelling of 244891253 in words is "two hundred forty-four million, eight hundred ninety-one thousand, two hundred fifty-three".