3256452661 has 16 divisors (see below), whose sum is σ = 4067549568. Its totient is φ = 2532772800.

The previous prime is 3256452637. The next prime is 3256452673. The reversal of 3256452661 is 1662546523.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3256452661 - 2⁷ = 3256452533 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 (3256452361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2571 + ... + 80743.

It is an arithmetic number, because the mean of its divisors is an integer number (254221848).

Almost surely, 2^3256452661 is an apocalyptic number.

It is an amenable number.

3256452661 is a deficient number, since it is larger than the sum of its proper divisors (811096907).

3256452661 is a wasteful number, since it uses less digits than its factorization.

3256452661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78732.

The product of its digits is 259200, while the sum is 40.

The square root of 3256452661 is about 57065.3367728606. The cubic root of 3256452661 is about 1482.2276929526.

The spelling of 3256452661 in words is "three billion, two hundred fifty-six million, four hundred fifty-two thousand, six hundred sixty-one".