404053249 has 2 divisors, whose sum is σ = 404053250. Its totient is φ = 404053248.

The previous prime is 404053207. The next prime is 404053271. The reversal of 404053249 is 942350404.

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., 401281024 + 2772225 = 20032^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 404053249 - 2¹⁵ = 404020481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404053249.

It is not a weakly prime, because it can be changed into another prime (404053049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202026624 + 202026625.

It is an arithmetic number, because the mean of its divisors is an integer number (202026625).

Almost surely, 2^404053249 is an apocalyptic number.

It is an amenable number.

404053249 is a deficient number, since it is larger than the sum of its proper divisors (1).

404053249 is an equidigital number, since it uses as much as digits as its factorization.

404053249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 404053249 is about 20101.0758169805. The cubic root of 404053249 is about 739.2866567427.

The spelling of 404053249 in words is "four hundred four million, fifty-three thousand, two hundred forty-nine".