25755823 has 4 divisors (see below), whose sum is σ = 26586688. Its totient is φ = 24924960.

The previous prime is 25755803. The next prime is 25755841. The reversal of 25755823 is 32855752.

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 25755823 - 2⁹ = 25755311 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 (25755803) 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, 415386 + ... + 415447.

It is an arithmetic number, because the mean of its divisors is an integer number (6646672).

Almost surely, 2^25755823 is an apocalyptic number.

25755823 is a deficient number, since it is larger than the sum of its proper divisors (830865).

25755823 is an equidigital number, since it uses as much as digits as its factorization.

25755823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830864.

The product of its digits is 84000, while the sum is 37.

The square root of 25755823 is about 5075.0195073517. The cubic root of 25755823 is about 295.3192865923.

The spelling of 25755823 in words is "twenty-five million, seven hundred fifty-five thousand, eight hundred twenty-three".