41220637 has 2 divisors, whose sum is σ = 41220638. Its totient is φ = 41220636.

The previous prime is 41220587. The next prime is 41220643. The reversal of 41220637 is 73602214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41100921 + 119716 = 6411^2 + 346^2 .

It is a cyclic number.

It is not a de Polignac number, because 41220637 - 2¹¹ = 41218589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41220667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610318 + 20610319.

It is an arithmetic number, because the mean of its divisors is an integer number (20610319).

Almost surely, 2^41220637 is an apocalyptic number.

It is an amenable number.

41220637 is a deficient number, since it is larger than the sum of its proper divisors (1).

41220637 is an equidigital number, since it uses as much as digits as its factorization.

41220637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 41220637 is about 6420.3299759436. The cubic root of 41220637 is about 345.4391578956.

The spelling of 41220637 in words is "forty-one million, two hundred twenty thousand, six hundred thirty-seven".