4000505053 has 2 divisors, whose sum is σ = 4000505054. Its totient is φ = 4000505052.

The previous prime is 4000505039. The next prime is 4000505057. The reversal of 4000505053 is 3505050004.

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., 2306112484 + 1694392569 = 48022^2 + 41163^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000505053 - 2¹³ = 4000496861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000505057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000252526 + 2000252527.

It is an arithmetic number, because the mean of its divisors is an integer number (2000252527).

Almost surely, 2^4000505053 is an apocalyptic number.

It is an amenable number.

4000505053 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000505053 is an equidigital number, since it uses as much as digits as its factorization.

4000505053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 4000505053 is about 63249.5458718875. The cubic root of 4000505053 is about 1587.4678592951.

Adding to 4000505053 its reverse (3505050004), we get a palindrome (7505555057).

The spelling of 4000505053 in words is "four billion, five hundred five thousand, fifty-three".