417661141 has 2 divisors, whose sum is σ = 417661142. Its totient is φ = 417661140.

The previous prime is 417661133. The next prime is 417661157. The reversal of 417661141 is 141166714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255200625 + 162460516 = 15975^2 + 12746^2 .

It is a cyclic number.

It is not a de Polignac number, because 417661141 - 2³ = 417661133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (417661441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 208830570 + 208830571.

It is an arithmetic number, because the mean of its divisors is an integer number (208830571).

Almost surely, 2^417661141 is an apocalyptic number.

It is an amenable number.

417661141 is a deficient number, since it is larger than the sum of its proper divisors (1).

417661141 is an equidigital number, since it uses as much as digits as its factorization.

417661141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 417661141 is about 20436.7595523361. The cubic root of 417661141 is about 747.4945379034.

The spelling of 417661141 in words is "four hundred seventeen million, six hundred sixty-one thousand, one hundred forty-one".