25672823 has 4 divisors (see below), whose sum is σ = 28006728. Its totient is φ = 23338920.

The previous prime is 25672817. The next prime is 25672861. The reversal of 25672823 is 32827652.

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

It is not a de Polignac number, because 25672823 - 2¹⁰ = 25671799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25672523) 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, 1166936 + ... + 1166957.

It is an arithmetic number, because the mean of its divisors is an integer number (7001682).

Almost surely, 2^25672823 is an apocalyptic number.

25672823 is a deficient number, since it is larger than the sum of its proper divisors (2333905).

25672823 is a wasteful number, since it uses less digits than its factorization.

25672823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333904.

The product of its digits is 40320, while the sum is 35.

The square root of 25672823 is about 5066.8356002539. The cubic root of 25672823 is about 295.0017159720.

The spelling of 25672823 in words is "twenty-five million, six hundred seventy-two thousand, eight hundred twenty-three".