41225477021 has 2 divisors, whose sum is σ = 41225477022. Its totient is φ = 41225477020.

The previous prime is 41225477011. The next prime is 41225477063. The reversal of 41225477021 is 12077452214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40516053796 + 709423225 = 201286^2 + 26635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41225477021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41225477011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20612738510 + 20612738511.

It is an arithmetic number, because the mean of its divisors is an integer number (20612738511).

Almost surely, 2^41225477021 is an apocalyptic number.

It is an amenable number.

41225477021 is a deficient number, since it is larger than the sum of its proper divisors (1).

41225477021 is an equidigital number, since it uses as much as digits as its factorization.

41225477021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 35.

The spelling of 41225477021 in words is "forty-one billion, two hundred twenty-five million, four hundred seventy-seven thousand, twenty-one".