741163561 has 4 divisors (see below), whose sum is σ = 746573652. Its totient is φ = 735753472.

The previous prime is 741163513. The next prime is 741163567. The reversal of 741163561 is 165361147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 370793536 + 370370025 = 19256^2 + 19245^2 .

It is a cyclic number.

It is not a de Polignac number, because 741163561 - 2¹⁷ = 741032489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (741163567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2704840 + ... + 2705113.

It is an arithmetic number, because the mean of its divisors is an integer number (186643413).

Almost surely, 2^741163561 is an apocalyptic number.

It is an amenable number.

741163561 is a deficient number, since it is larger than the sum of its proper divisors (5410091).

741163561 is a wasteful number, since it uses less digits than its factorization.

741163561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410090.

The product of its digits is 15120, while the sum is 34.

The square root of 741163561 is about 27224.3192936022. The cubic root of 741163561 is about 904.9779960667.

It can be divided in two parts, 74116 and 3561, that added together give a palindrome (77677).

The spelling of 741163561 in words is "seven hundred forty-one million, one hundred sixty-three thousand, five hundred sixty-one".