3242619581 has 4 divisors (see below), whose sum is σ = 3244265052. Its totient is φ = 3240974112.

The previous prime is 3242619571. The next prime is 3242619641. The reversal of 3242619581 is 1859162423.

3242619581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 189062500 + 3053557081 = 13750^2 + 55259^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242619581 - 2¹⁴ = 3242603197 is a prime.

It is a super-2 number, since 2×3242619581² = 21029163494169231122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242619571) 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, 819776 + ... + 823721.

It is an arithmetic number, because the mean of its divisors is an integer number (811066263).

Almost surely, 2^3242619581 is an apocalyptic number.

It is an amenable number.

3242619581 is a deficient number, since it is larger than the sum of its proper divisors (1645471).

3242619581 is a wasteful number, since it uses less digits than its factorization.

3242619581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645470.

The product of its digits is 103680, while the sum is 41.

The square root of 3242619581 is about 56944.0039073474. The cubic root of 3242619581 is about 1480.1259299043.

The spelling of 3242619581 in words is "three billion, two hundred forty-two million, six hundred nineteen thousand, five hundred eighty-one".