41790197 has 2 divisors, whose sum is σ = 41790198. Its totient is φ = 41790196.

The previous prime is 41790187. The next prime is 41790257. The reversal of 41790197 is 79109714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41460721 + 329476 = 6439^2 + 574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41790197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41790197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41790107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20895098 + 20895099.

It is an arithmetic number, because the mean of its divisors is an integer number (20895099).

Almost surely, 2^41790197 is an apocalyptic number.

It is an amenable number.

41790197 is a deficient number, since it is larger than the sum of its proper divisors (1).

41790197 is an equidigital number, since it uses as much as digits as its factorization.

41790197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 41790197 is about 6464.5337805599. The cubic root of 41790197 is about 347.0229037528.

The spelling of 41790197 in words is "forty-one million, seven hundred ninety thousand, one hundred ninety-seven".