41021797 has 2 divisors, whose sum is σ = 41021798. Its totient is φ = 41021796.

The previous prime is 41021759. The next prime is 41021801. The reversal of 41021797 is 79712014.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31967716 + 9054081 = 5654^2 + 3009^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41021797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41021737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20510898 + 20510899.

It is an arithmetic number, because the mean of its divisors is an integer number (20510899).

Almost surely, 2^41021797 is an apocalyptic number.

It is an amenable number.

41021797 is a deficient number, since it is larger than the sum of its proper divisors (1).

41021797 is an equidigital number, since it uses as much as digits as its factorization.

41021797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 41021797 is about 6404.8260710186. The cubic root of 41021797 is about 344.8828195470.

The spelling of 41021797 in words is "forty-one million, twenty-one thousand, seven hundred ninety-seven".