25316641 has 8 divisors (see below), whose sum is σ = 29145600. Its totient is φ = 21540768.

The previous prime is 25316617. The next prime is 25316659. The reversal of 25316641 is 14661352.

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 25316641 - 2⁷ = 25316513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25316041) 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, 12241 + ... + 14158.

It is an arithmetic number, because the mean of its divisors is an integer number (3643200).

Almost surely, 2^25316641 is an apocalyptic number.

It is an amenable number.

25316641 is a deficient number, since it is larger than the sum of its proper divisors (3828959).

25316641 is a wasteful number, since it uses less digits than its factorization.

25316641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26543.

The product of its digits is 4320, while the sum is 28.

The square root of 25316641 is about 5031.5644684333. The cubic root of 25316641 is about 293.6310835400.

Adding to 25316641 its reverse (14661352), we get a palindrome (39977993).

The spelling of 25316641 in words is "twenty-five million, three hundred sixteen thousand, six hundred forty-one".