25585427 has 8 divisors (see below), whose sum is σ = 29282400. Its totient is φ = 21898944.

The previous prime is 25585423. The next prime is 25585451. The reversal of 25585427 is 72458552.

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 25585427 - 2² = 25585423 is a prime.

It is a super-2 number, since 2×25585427² = 1309228149544658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25585423) 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, 3599 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (3660300).

Almost surely, 2^25585427 is an apocalyptic number.

25585427 is a deficient number, since it is larger than the sum of its proper divisors (3696973).

25585427 is an equidigital number, since it uses as much as digits as its factorization.

25585427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245.

The product of its digits is 112000, while the sum is 38.

The square root of 25585427 is about 5058.2039302503. The cubic root of 25585427 is about 294.6665849104. Note that the first 3 decimals are identical.

The spelling of 25585427 in words is "twenty-five million, five hundred eighty-five thousand, four hundred twenty-seven".