3261540801 has 8 divisors (see below), whose sum is σ = 4373858880. Its totient is φ = 2161791632.

The previous prime is 3261540773. The next prime is 3261540811. The reversal of 3261540801 is 1080451623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3261540801 - 2⁵ = 3261540769 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3261540811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3141621 + ... + 3142658.

It is an arithmetic number, because the mean of its divisors is an integer number (546732360).

Almost surely, 2^3261540801 is an apocalyptic number.

It is an amenable number.

3261540801 is a deficient number, since it is larger than the sum of its proper divisors (1112318079).

3261540801 is a wasteful number, since it uses less digits than its factorization.

3261540801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6284455.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 3261540801 is about 57109.9010767835. The cubic root of 3261540801 is about 1482.9992746137. Note that the first 3 decimals are identical.

The spelling of 3261540801 in words is "three billion, two hundred sixty-one million, five hundred forty thousand, eight hundred one".