404144053 has 2 divisors, whose sum is σ = 404144054. Its totient is φ = 404144052.

The previous prime is 404144033. The next prime is 404144107. The reversal of 404144053 is 350441404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371448529 + 32695524 = 19273^2 + 5718^2 .

It is a cyclic number.

It is not a de Polignac number, because 404144053 - 2¹³ = 404135861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404144033) 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, 202072026 + 202072027.

It is an arithmetic number, because the mean of its divisors is an integer number (202072027).

Almost surely, 2^404144053 is an apocalyptic number.

It is an amenable number.

404144053 is a deficient number, since it is larger than the sum of its proper divisors (1).

404144053 is an equidigital number, since it uses as much as digits as its factorization.

404144053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 404144053 is about 20103.3343751727. The cubic root of 404144053 is about 739.3420332371.

Adding to 404144053 its reverse (350441404), we get a palindrome (754585457).

The spelling of 404144053 in words is "four hundred four million, one hundred forty-four thousand, fifty-three".