741440561 has 2 divisors, whose sum is σ = 741440562. Its totient is φ = 741440560.

The previous prime is 741440503. The next prime is 741440569. The reversal of 741440561 is 165044147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 681471025 + 59969536 = 26105^2 + 7744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-741440561 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (741440569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370720280 + 370720281.

It is an arithmetic number, because the mean of its divisors is an integer number (370720281).

Almost surely, 2^741440561 is an apocalyptic number.

It is an amenable number.

741440561 is a deficient number, since it is larger than the sum of its proper divisors (1).

741440561 is an equidigital number, since it uses as much as digits as its factorization.

741440561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 741440561 is about 27229.4061815531. The cubic root of 741440561 is about 905.0907231781.

The spelling of 741440561 in words is "seven hundred forty-one million, four hundred forty thousand, five hundred sixty-one".