1025232321 has 8 divisors (see below), whose sum is σ = 1390145760. Its totient is φ = 671903552.

The previous prime is 1025232319. The next prime is 1025232349. The reversal of 1025232321 is 1232325201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1025232321 - 2¹ = 1025232319 is a prime.

It is a super-2 number, since 2×1025232321² = 2102202624046094082, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1025232361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2895960 + ... + 2896313.

It is an arithmetic number, because the mean of its divisors is an integer number (173768220).

Almost surely, 2^1025232321 is an apocalyptic number.

It is an amenable number.

1025232321 is a deficient number, since it is larger than the sum of its proper divisors (364913439).

1025232321 is an equidigital number, since it uses as much as digits as its factorization.

1025232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792335.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1025232321 is about 32019.2492260515. The cubic root of 1025232321 is about 1008.3410078205.

Adding to 1025232321 its reverse (1232325201), we get a palindrome (2257557522).

The spelling of 1025232321 in words is "one billion, twenty-five million, two hundred thirty-two thousand, three hundred twenty-one".