25426406 has 8 divisors (see below), whose sum is σ = 38162664. Its totient is φ = 12705520.

The previous prime is 25426397. The next prime is 25426439. The reversal of 25426406 is 60462452.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2186 + ... + 7458.

It is an arithmetic number, because the mean of its divisors is an integer number (4770333).

Almost surely, 2^25426406 is an apocalyptic number.

25426406 is a deficient number, since it is larger than the sum of its proper divisors (12736258).

25426406 is a wasteful number, since it uses less digits than its factorization.

25426406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 25426406 is about 5042.4603121889. The cubic root of 25426406 is about 294.0548357463.

Adding to 25426406 its reverse (60462452), we get a palindrome (85888858).

The spelling of 25426406 in words is "twenty-five million, four hundred twenty-six thousand, four hundred six".