41391761 has 2 divisors, whose sum is σ = 41391762. Its totient is φ = 41391760.

The previous prime is 41391739. The next prime is 41391797. The reversal of 41391761 is 16719314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 6345361 = 5920^2 + 2519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41391761 is a prime.

It is a super-2 number, since 2×41391761² = 3426555757362242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (41391061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20695880 + 20695881.

It is an arithmetic number, because the mean of its divisors is an integer number (20695881).

Almost surely, 2^41391761 is an apocalyptic number.

It is an amenable number.

41391761 is a deficient number, since it is larger than the sum of its proper divisors (1).

41391761 is an equidigital number, since it uses as much as digits as its factorization.

41391761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The square root of 41391761 is about 6433.6429027418. The cubic root of 41391761 is about 345.9165184453.

The spelling of 41391761 in words is "forty-one million, three hundred ninety-one thousand, seven hundred sixty-one".