25916297 has 8 divisors (see below), whose sum is σ = 28553472. Its totient is φ = 23326000.

The previous prime is 25916287. The next prime is 25916299. The reversal of 25916297 is 79261952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25916297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25916299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10553 + ... + 12774.

It is an arithmetic number, because the mean of its divisors is an integer number (3569184).

Almost surely, 2^25916297 is an apocalyptic number.

It is an amenable number.

25916297 is a deficient number, since it is larger than the sum of its proper divisors (2637175).

25916297 is a wasteful number, since it uses less digits than its factorization.

25916297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23439.

The product of its digits is 68040, while the sum is 41.

The square root of 25916297 is about 5090.8051426076. The cubic root of 25916297 is about 295.9313550644.

It can be divided in two parts, 2591 and 6297, that added together give a palindrome (8888).

The spelling of 25916297 in words is "twenty-five million, nine hundred sixteen thousand, two hundred ninety-seven".