25676251 has 4 divisors (see below), whose sum is σ = 25839952. Its totient is φ = 25512552.

The previous prime is 25676243. The next prime is 25676267. The reversal of 25676251 is 15267652.

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 25676251 - 2³ = 25676243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25676051) 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, 81615 + ... + 81928.

It is an arithmetic number, because the mean of its divisors is an integer number (6459988).

Almost surely, 2^25676251 is an apocalyptic number.

25676251 is a deficient number, since it is larger than the sum of its proper divisors (163701).

25676251 is a wasteful number, since it uses less digits than its factorization.

25676251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163700.

The product of its digits is 25200, while the sum is 34.

The square root of 25676251 is about 5067.1738671571. The cubic root of 25676251 is about 295.0148455614.

The spelling of 25676251 in words is "twenty-five million, six hundred seventy-six thousand, two hundred fifty-one".