25426006 has 4 divisors (see below), whose sum is σ = 38139012. Its totient is φ = 12713002.

The previous prime is 25426001. The next prime is 25426021. The reversal of 25426006 is 60062452.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×25426006² = 1292963562224072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25426001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6356500 + ... + 6356503.

It is an arithmetic number, because the mean of its divisors is an integer number (9534753).

Almost surely, 2^25426006 is an apocalyptic number.

25426006 is a deficient number, since it is larger than the sum of its proper divisors (12713006).

25426006 is a wasteful number, since it uses less digits than its factorization.

25426006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12713005.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 25426006 is about 5042.4206488551. The cubic root of 25426006 is about 294.0532937463.

Adding to 25426006 its reverse (60062452), we get a palindrome (85488458).

The spelling of 25426006 in words is "twenty-five million, four hundred twenty-six thousand, six".