3256020539 has 4 divisors (see below), whose sum is σ = 3281658624. Its totient is φ = 3230382456.

The previous prime is 3256020503. The next prime is 3256020541. The reversal of 3256020539 is 9350206523.

It is a happy number.

3256020539 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256020539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3256020499 and 3256020508.

It is not an unprimeable number, because it can be changed into a prime (3256070539) 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, 12818852 + ... + 12819105.

It is an arithmetic number, because the mean of its divisors is an integer number (820414656).

Almost surely, 2^3256020539 is an apocalyptic number.

3256020539 is a deficient number, since it is larger than the sum of its proper divisors (25638085).

3256020539 is a wasteful number, since it uses less digits than its factorization.

3256020539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25638084.

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 3256020539 is about 57061.5504433590. The cubic root of 3256020539 is about 1482.1621275870.

The spelling of 3256020539 in words is "three billion, two hundred fifty-six million, twenty thousand, five hundred thirty-nine".