25296387 has 8 divisors (see below), whose sum is σ = 34446336. Its totient is φ = 16505352.

The previous prime is 25296371. The next prime is 25296407. The reversal of 25296387 is 78369252.

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

It is not a de Polignac number, because 25296387 - 2⁴ = 25296371 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (25296307) 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, 89563 + ... + 89844.

It is an arithmetic number, because the mean of its divisors is an integer number (4305792).

Almost surely, 2^25296387 is an apocalyptic number.

25296387 is a deficient number, since it is larger than the sum of its proper divisors (9149949).

25296387 is a wasteful number, since it uses less digits than its factorization.

25296387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179457.

The product of its digits is 181440, while the sum is 42.

The square root of 25296387 is about 5029.5513716434. The cubic root of 25296387 is about 293.5527583697.

The spelling of 25296387 in words is "twenty-five million, two hundred ninety-six thousand, three hundred eighty-seven".