25484321 has 4 divisors (see below), whose sum is σ = 25864752. Its totient is φ = 25103892.

The previous prime is 25484287. The next prime is 25484341. The reversal of 25484321 is 12348452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25484321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25484341) 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, 190115 + ... + 190248.

It is an arithmetic number, because the mean of its divisors is an integer number (6466188).

Almost surely, 2^25484321 is an apocalyptic number.

It is an amenable number.

25484321 is a deficient number, since it is larger than the sum of its proper divisors (380431).

25484321 is an equidigital number, since it uses as much as digits as its factorization.

25484321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380430.

The product of its digits is 7680, while the sum is 29.

The square root of 25484321 is about 5048.1997781387. The cubic root of 25484321 is about 294.2779275979.

The spelling of 25484321 in words is "twenty-five million, four hundred eighty-four thousand, three hundred twenty-one".