25928867 has 4 divisors (see below), whose sum is σ = 26158440. Its totient is φ = 25699296.

The previous prime is 25928807. The next prime is 25928869. The reversal of 25928867 is 76882952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25928867 - 2⁸ = 25928611 is a prime.

It is a super-2 number, since 2×25928867² = 1344612287807378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25928869) 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, 114617 + ... + 114842.

It is an arithmetic number, because the mean of its divisors is an integer number (6539610).

Almost surely, 2^25928867 is an apocalyptic number.

25928867 is a deficient number, since it is larger than the sum of its proper divisors (229573).

25928867 is a wasteful number, since it uses less digits than its factorization.

25928867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229572.

The product of its digits is 483840, while the sum is 47.

The square root of 25928867 is about 5092.0395717237. The cubic root of 25928867 is about 295.9791918353.

The spelling of 25928867 in words is "twenty-five million, nine hundred twenty-eight thousand, eight hundred sixty-seven".