25723427 has 8 divisors (see below), whose sum is σ = 26150400. Its totient is φ = 25299144.

The previous prime is 25723421. The next prime is 25723447. The reversal of 25723427 is 72432752.

25723427 is nontrivially palindromic in base 2.

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 25723427 - 2⁸ = 25723171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25723393 and 25723402.

It is not an unprimeable number, because it can be changed into a prime (25723421) 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, 27908 + ... + 28814.

It is an arithmetic number, because the mean of its divisors is an integer number (3268800).

Almost surely, 2^25723427 is an apocalyptic number.

25723427 is a deficient number, since it is larger than the sum of its proper divisors (426973).

25723427 is an equidigital number, since it uses as much as digits as its factorization.

25723427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its digits is 23520, while the sum is 32.

The square root of 25723427 is about 5071.8267912065. The cubic root of 25723427 is about 295.1954158641.

The spelling of 25723427 in words is "twenty-five million, seven hundred twenty-three thousand, four hundred twenty-seven".