25344321 has 8 divisors (see below), whose sum is σ = 35261760. Its totient is φ = 16161552.

The previous prime is 25344317. The next prime is 25344337. The reversal of 25344321 is 12344352.

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

It is not a de Polignac number, because 25344321 - 2² = 25344317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25344291 and 25344300.

It is not an unprimeable number, because it can be changed into a prime (25344311) 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, 183586 + ... + 183723.

It is an arithmetic number, because the mean of its divisors is an integer number (4407720).

Almost surely, 2^25344321 is an apocalyptic number.

It is an amenable number.

25344321 is a deficient number, since it is larger than the sum of its proper divisors (9917439).

25344321 is a wasteful number, since it uses less digits than its factorization.

25344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367335.

The product of its digits is 2880, while the sum is 24.

The square root of 25344321 is about 5034.3143525211. The cubic root of 25344321 is about 293.7380586062.

Adding to 25344321 its reverse (12344352), we get a palindrome (37688673).

The spelling of 25344321 in words is "twenty-five million, three hundred forty-four thousand, three hundred twenty-one".