741593561 has 2 divisors, whose sum is σ = 741593562. Its totient is φ = 741593560.

The previous prime is 741593521. The next prime is 741593591. The reversal of 741593561 is 165395147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 703893961 + 37699600 = 26531^2 + 6140^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-741593561 is a prime.

It is a super-2 number, since 2×741593561² = 1099922019433321442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (741593521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370796780 + 370796781.

It is an arithmetic number, because the mean of its divisors is an integer number (370796781).

Almost surely, 2^741593561 is an apocalyptic number.

It is an amenable number.

741593561 is a deficient number, since it is larger than the sum of its proper divisors (1).

741593561 is an equidigital number, since it uses as much as digits as its factorization.

741593561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 741593561 is about 27232.2154992942. The cubic root of 741593561 is about 905.1529755751.

The spelling of 741593561 in words is "seven hundred forty-one million, five hundred ninety-three thousand, five hundred sixty-one".