25850723 has 4 divisors (see below), whose sum is σ = 26054400. Its totient is φ = 25647048.

The previous prime is 25850719. The next prime is 25850729. The reversal of 25850723 is 32705852.

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 25850723 - 2² = 25850719 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25850723.

It is not an unprimeable number, because it can be changed into a prime (25850729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101648 + ... + 101901.

It is an arithmetic number, because the mean of its divisors is an integer number (6513600).

Almost surely, 2^25850723 is an apocalyptic number.

25850723 is a deficient number, since it is larger than the sum of its proper divisors (203677).

25850723 is a wasteful number, since it uses less digits than its factorization.

25850723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203676.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 25850723 is about 5084.3606284370. The cubic root of 25850723 is about 295.6815535285.

The spelling of 25850723 in words is "twenty-five million, eight hundred fifty thousand, seven hundred twenty-three".