4000033061 has 2 divisors, whose sum is σ = 4000033062. Its totient is φ = 4000033060.

The previous prime is 4000033031. The next prime is 4000033069. The reversal of 4000033061 is 1603300004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3220562500 + 779470561 = 56750^2 + 27919^2 .

It is a cyclic number.

It is not a de Polignac number, because 4000033061 - 2¹⁸ = 3999770917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4000033069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2000016530 + 2000016531.

It is an arithmetic number, because the mean of its divisors is an integer number (2000016531).

Almost surely, 2^4000033061 is an apocalyptic number.

It is an amenable number.

4000033061 is a deficient number, since it is larger than the sum of its proper divisors (1).

4000033061 is an equidigital number, since it uses as much as digits as its factorization.

4000033061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 4000033061 is about 63245.8145729818. The cubic root of 4000033061 is about 1587.4054253783.

Adding to 4000033061 its reverse (1603300004), we get a palindrome (5603333065).

The spelling of 4000033061 in words is "four billion, thirty-three thousand, sixty-one".