41433991 has 2 divisors, whose sum is σ = 41433992. Its totient is φ = 41433990.

The previous prime is 41433961. The next prime is 41434013. The reversal of 41433991 is 19933414.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41433991 - 2⁹ = 41433479 is a prime.

It is a super-2 number, since 2×41433991² = 3433551220376162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41433901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20716995 + 20716996.

It is an arithmetic number, because the mean of its divisors is an integer number (20716996).

Almost surely, 2^41433991 is an apocalyptic number.

41433991 is a deficient number, since it is larger than the sum of its proper divisors (1).

41433991 is an equidigital number, since it uses as much as digits as its factorization.

41433991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 41433991 is about 6436.9240324863. The cubic root of 41433991 is about 346.0341190585.

It can be divided in two parts, 41433 and 991, that added together give a palindrome (42424).

The spelling of 41433991 in words is "forty-one million, four hundred thirty-three thousand, nine hundred ninety-one".