4231661325 has 48 divisors (see below), whose sum is σ = 7497960576. Its totient is φ = 2100384000.

The previous prime is 4231661311. The next prime is 4231661339. The reversal of 4231661325 is 5231661324.

4231661325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4231661311) and next prime (4231661339).

It is not a de Polignac number, because 4231661325 - 2⁹ = 4231660813 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30675 + ... + 96975.

It is an arithmetic number, because the mean of its divisors is an integer number (156207512).

Almost surely, 2^4231661325 is an apocalyptic number.

It is an amenable number.

4231661325 is a deficient number, since it is larger than the sum of its proper divisors (3266299251).

4231661325 is a wasteful number, since it uses less digits than its factorization.

4231661325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66374 (or 66369 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 4231661325 is about 65051.2207802436. The cubic root of 4231661325 is about 1617.4727302587.

Subtracting 4231661325 from its reverse (5231661324), we obtain a palindrome (999999999).

The spelling of 4231661325 in words is "four billion, two hundred thirty-one million, six hundred sixty-one thousand, three hundred twenty-five".