4033261 has 2 divisors, whose sum is σ = 4033262. Its totient is φ = 4033260.

The previous prime is 4033243. The next prime is 4033283. The reversal of 4033261 is 1623304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3924361 + 108900 = 1981^2 + 330^2 .

It is a cyclic number.

It is not a de Polignac number, because 4033261 - 2⁵ = 4033229 is a prime.

4033261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4033201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016630 + 2016631.

It is an arithmetic number, because the mean of its divisors is an integer number (2016631).

Almost surely, 2^4033261 is an apocalyptic number.

It is an amenable number.

4033261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4033261 is an equidigital number, since it uses as much as digits as its factorization.

4033261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 4033261 is about 2008.2980356511. The cubic root of 4033261 is about 159.1788791497.

Adding to 4033261 its reverse (1623304), we get a palindrome (5656565).

The spelling of 4033261 in words is "four million, thirty-three thousand, two hundred sixty-one".