25461321 has 8 divisors (see below), whose sum is σ = 34152384. Its totient is φ = 16872240.

The previous prime is 25461281. The next prime is 25461347. The reversal of 25461321 is 12316452.

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

It is not a de Polignac number, because 25461321 - 2¹⁰ = 25460297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25461291 and 25461300.

It is not an unprimeable number, because it can be changed into a prime (25461221) 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, 24910 + ... + 25911.

It is an arithmetic number, because the mean of its divisors is an integer number (4269048).

Almost surely, 2^25461321 is an apocalyptic number.

It is an amenable number.

25461321 is a deficient number, since it is larger than the sum of its proper divisors (8691063).

25461321 is a wasteful number, since it uses less digits than its factorization.

25461321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50991.

The product of its digits is 1440, while the sum is 24.

The square root of 25461321 is about 5045.9212241176. The cubic root of 25461321 is about 294.1893708005.

Adding to 25461321 its reverse (12316452), we get a palindrome (37777773).

The spelling of 25461321 in words is "twenty-five million, four hundred sixty-one thousand, three hundred twenty-one".