4025712321 has 12 divisors (see below), whose sum is σ = 5815468672. Its totient is φ = 2683553976.

The previous prime is 4025712307. The next prime is 4025712371. The reversal of 4025712321 is 1232175204.

It is not a de Polignac number, because 4025712321 - 2⁵ = 4025712289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4025712371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168120 + ... + 190566.

Almost surely, 2^4025712321 is an apocalyptic number.

It is an amenable number.

4025712321 is a deficient number, since it is larger than the sum of its proper divisors (1789756351).

4025712321 is a wasteful number, since it uses less digits than its factorization.

4025712321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42380 (or 42377 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 4025712321 is about 63448.5013298187. The cubic root of 4025712321 is about 1590.7951036947.

Adding to 4025712321 its reverse (1232175204), we get a palindrome (5257887525).

The spelling of 4025712321 in words is "four billion, twenty-five million, seven hundred twelve thousand, three hundred twenty-one".