25826823 has 16 divisors (see below), whose sum is σ = 41740800. Its totient is φ = 15652440.

The previous prime is 25826807. The next prime is 25826881. The reversal of 25826823 is 32862852.

It is not a de Polignac number, because 25826823 - 2⁴ = 25826807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25826123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43183 + ... + 43776.

It is an arithmetic number, because the mean of its divisors is an integer number (2608800).

Almost surely, 2^25826823 is an apocalyptic number.

25826823 is a deficient number, since it is larger than the sum of its proper divisors (15913977).

25826823 is a wasteful number, since it uses less digits than its factorization.

25826823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86979 (or 86973 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 25826823 is about 5082.0097402504. The cubic root of 25826823 is about 295.5904023952.

The spelling of 25826823 in words is "twenty-five million, eight hundred twenty-six thousand, eight hundred twenty-three".