3287388613 has 4 divisors (see below), whose sum is σ = 3290634828. Its totient is φ = 3284142400.

The previous prime is 3287388589. The next prime is 3287388649. The reversal of 3287388613 is 3168837823.

3287388613 = 40542² + 40543².

3287388613 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 1643734849 + 1643653764 = 40543^2 + 40542^2 .

It is a cyclic number.

It is not a de Polignac number, because 3287388613 - 2⁵ = 3287388581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287388673) 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, 1621588 + ... + 1623613.

It is an arithmetic number, because the mean of its divisors is an integer number (822658707).

Almost surely, 2^3287388613 is an apocalyptic number.

3287388613 is the 40543-rd centered square number.

It is an amenable number.

3287388613 is a deficient number, since it is larger than the sum of its proper divisors (3246215).

3287388613 is a wasteful number, since it uses less digits than its factorization.

3287388613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246214.

The product of its digits is 1161216, while the sum is 49.

The square root of 3287388613 is about 57335.7533568715. The cubic root of 3287388613 is about 1486.9065759733.

The spelling of 3287388613 in words is "three billion, two hundred eighty-seven million, three hundred eighty-eight thousand, six hundred thirteen".