25354427 has 4 divisors (see below), whose sum is σ = 28976496. Its totient is φ = 21732360.

The previous prime is 25354421. The next prime is 25354447. The reversal of 25354427 is 72445352.

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 25354427 - 2⁴ = 25354411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25354393 and 25354402.

It is not an unprimeable number, because it can be changed into a prime (25354421) 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, 1811024 + ... + 1811037.

It is an arithmetic number, because the mean of its divisors is an integer number (7244124).

Almost surely, 2^25354427 is an apocalyptic number.

25354427 is a deficient number, since it is larger than the sum of its proper divisors (3622069).

25354427 is an equidigital number, since it uses as much as digits as its factorization.

25354427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622068.

The product of its digits is 33600, while the sum is 32.

The square root of 25354427 is about 5035.3179641409. The cubic root of 25354427 is about 293.7770959161. Note that the first 3 decimals are identical.

Adding to 25354427 its reverse (72445352), we get a palindrome (97799779).

The spelling of 25354427 in words is "twenty-five million, three hundred fifty-four thousand, four hundred twenty-seven".