3574436561 has 4 divisors (see below), whose sum is σ = 3609827124. Its totient is φ = 3539046000.

The previous prime is 3574436521. The next prime is 3574436563. The reversal of 3574436561 is 1656344753.

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 1788867025 + 1785569536 = 42295^2 + 42256^2 .

It is a cyclic number.

It is not a de Polignac number, because 3574436561 - 2¹⁰ = 3574435537 is a prime.

It is a super-2 number, since 2×3574436561² = 25553193457227013442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3574436563) 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, 17695130 + ... + 17695331.

It is an arithmetic number, because the mean of its divisors is an integer number (902456781).

Almost surely, 2^3574436561 is an apocalyptic number.

It is an amenable number.

3574436561 is a deficient number, since it is larger than the sum of its proper divisors (35390563).

3574436561 is a wasteful number, since it uses less digits than its factorization.

3574436561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35390562.

The product of its digits is 907200, while the sum is 44.

The square root of 3574436561 is about 59786.5918162258. The cubic root of 3574436561 is about 1528.9825580674.

The spelling of 3574436561 in words is "three billion, five hundred seventy-four million, four hundred thirty-six thousand, five hundred sixty-one".