1025423321 has 8 divisors (see below), whose sum is σ = 1105387584. Its totient is φ = 945614160.

The previous prime is 1025423317. The next prime is 1025423339. The reversal of 1025423321 is 1233245201.

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 1025423321 - 2² = 1025423317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025423341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24851 + ... + 51656.

It is an arithmetic number, because the mean of its divisors is an integer number (138173448).

Almost surely, 2^1025423321 is an apocalyptic number.

It is an amenable number.

1025423321 is a deficient number, since it is larger than the sum of its proper divisors (79964263).

1025423321 is a wasteful number, since it uses less digits than its factorization.

1025423321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77551.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1025423321 is about 32022.2316680146. The cubic root of 1025423321 is about 1008.4036216528.

Adding to 1025423321 its reverse (1233245201), we get a palindrome (2258668522).

The spelling of 1025423321 in words is "one billion, twenty-five million, four hundred twenty-three thousand, three hundred twenty-one".