41998511 has 2 divisors, whose sum is σ = 41998512. Its totient is φ = 41998510.

The previous prime is 41998507. The next prime is 41998543. The reversal of 41998511 is 11589914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41998511 - 2² = 41998507 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41997511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20999255 + 20999256.

It is an arithmetic number, because the mean of its divisors is an integer number (20999256).

Almost surely, 2^41998511 is an apocalyptic number.

41998511 is a deficient number, since it is larger than the sum of its proper divisors (1).

41998511 is an equidigital number, since it uses as much as digits as its factorization.

41998511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 38.

The square root of 41998511 is about 6480.6258185456. The cubic root of 41998511 is about 347.5985566594.

The spelling of 41998511 in words is "forty-one million, nine hundred ninety-eight thousand, five hundred eleven".