3240001001 has 4 divisors (see below), whose sum is σ = 3240524100. Its totient is φ = 3239477904.

The previous prime is 3240000979. The next prime is 3240001019. The reversal of 3240001001 is 1001000423.

It is a happy number.

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 1883994025 + 1356006976 = 43405^2 + 36824^2 .

It is a cyclic number.

It is not a de Polignac number, because 3240001001 - 2¹⁰ = 3239999977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3240001601) 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, 252146 + ... + 264683.

It is an arithmetic number, because the mean of its divisors is an integer number (810131025).

Almost surely, 2^3240001001 is an apocalyptic number.

It is an amenable number.

3240001001 is a deficient number, since it is larger than the sum of its proper divisors (523099).

3240001001 is an equidigital number, since it uses as much as digits as its factorization.

3240001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523098.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 3240001001 is about 56921.0066759189. The cubic root of 3240001001 is about 1479.7273969858.

Adding to 3240001001 its reverse (1001000423), we get a palindrome (4241001424).

The spelling of 3240001001 in words is "three billion, two hundred forty million, one thousand, one".