41211491 has 2 divisors, whose sum is σ = 41211492. Its totient is φ = 41211490.

The previous prime is 41211473. The next prime is 41211529. The reversal of 41211491 is 19411214.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41211491 is a prime.

It is not a weakly prime, because it can be changed into another prime (41211461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20605745 + 20605746.

It is an arithmetic number, because the mean of its divisors is an integer number (20605746).

Almost surely, 2^41211491 is an apocalyptic number.

41211491 is a deficient number, since it is larger than the sum of its proper divisors (1).

41211491 is an equidigital number, since it uses as much as digits as its factorization.

41211491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 23.

The square root of 41211491 is about 6419.6176677431. The cubic root of 41211491 is about 345.4136074232.

The spelling of 41211491 in words is "forty-one million, two hundred eleven thousand, four hundred ninety-one".