2235641321 has 4 divisors (see below), whose sum is σ = 2367149652. Its totient is φ = 2104132992.

The previous prime is 2235641311. The next prime is 2235641323. The reversal of 2235641321 is 1231465322.

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 1687566400 + 548074921 = 41080^2 + 23411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2235641321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2235641323) 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, 65754140 + ... + 65754173.

It is an arithmetic number, because the mean of its divisors is an integer number (591787413).

Almost surely, 2^2235641321 is an apocalyptic number.

It is an amenable number.

2235641321 is a deficient number, since it is larger than the sum of its proper divisors (131508331).

2235641321 is a wasteful number, since it uses less digits than its factorization.

2235641321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131508330.

The product of its digits is 8640, while the sum is 29.

The square root of 2235641321 is about 47282.5688917174. The cubic root of 2235641321 is about 1307.5773106432.

The spelling of 2235641321 in words is "two billion, two hundred thirty-five million, six hundred forty-one thousand, three hundred twenty-one".