4025243231 has 4 divisors (see below), whose sum is σ = 4110886752. Its totient is φ = 3939599712.

The previous prime is 4025243227. The next prime is 4025243269. The reversal of 4025243231 is 1323425204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4025243231 - 2² = 4025243227 is a prime.

It is a super-2 number, since 2×4025243231² = 32405166137422638722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4025243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025243531) 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, 42821690 + ... + 42821783.

It is an arithmetic number, because the mean of its divisors is an integer number (1027721688).

Almost surely, 2^4025243231 is an apocalyptic number.

4025243231 is a deficient number, since it is larger than the sum of its proper divisors (85643521).

4025243231 is an equidigital number, since it uses as much as digits as its factorization.

4025243231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85643520.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 4025243231 is about 63444.8046021106. The cubic root of 4025243231 is about 1590.7333129686.

Adding to 4025243231 its reverse (1323425204), we get a palindrome (5348668435).

The spelling of 4025243231 in words is "four billion, twenty-five million, two hundred forty-three thousand, two hundred thirty-one".