25601723 has 8 divisors (see below), whose sum is σ = 29483520. Its totient is φ = 21776040.

The previous prime is 25601713. The next prime is 25601729. The reversal of 25601723 is 32710652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25601723 - 2⁶ = 25601659 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25601692 and 25601701.

It is not an unprimeable number, because it can be changed into a prime (25601729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13043 + ... + 14876.

It is an arithmetic number, because the mean of its divisors is an integer number (3685440).

Almost surely, 2^25601723 is an apocalyptic number.

25601723 is a deficient number, since it is larger than the sum of its proper divisors (3881797).

25601723 is a wasteful number, since it uses less digits than its factorization.

25601723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28057.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 25601723 is about 5059.8145222923. The cubic root of 25601723 is about 294.7291318119.

The spelling of 25601723 in words is "twenty-five million, six hundred one thousand, seven hundred twenty-three".