41221247 has 2 divisors, whose sum is σ = 41221248. Its totient is φ = 41221246.

The previous prime is 41221223. The next prime is 41221249. The reversal of 41221247 is 74212214.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41221247 - 2⁶ = 41221183 is a prime.

Together with 41221249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41221249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610623 + 20610624.

It is an arithmetic number, because the mean of its divisors is an integer number (20610624).

Almost surely, 2^41221247 is an apocalyptic number.

41221247 is a deficient number, since it is larger than the sum of its proper divisors (1).

41221247 is an equidigital number, since it uses as much as digits as its factorization.

41221247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 23.

The square root of 41221247 is about 6420.3774811143. The cubic root of 41221247 is about 345.4408618709.

The spelling of 41221247 in words is "forty-one million, two hundred twenty-one thousand, two hundred forty-seven".