25340806 has 4 divisors (see below), whose sum is σ = 38011212. Its totient is φ = 12670402.

The previous prime is 25340801. The next prime is 25340873. The reversal of 25340806 is 60804352.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25340801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6335200 + ... + 6335203.

It is an arithmetic number, because the mean of its divisors is an integer number (9502803).

Almost surely, 2^25340806 is an apocalyptic number.

25340806 is a deficient number, since it is larger than the sum of its proper divisors (12670406).

25340806 is a wasteful number, since it uses less digits than its factorization.

25340806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12670405.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25340806 is about 5033.9652362725. The cubic root of 25340806 is about 293.7244784829.

The spelling of 25340806 in words is "twenty-five million, three hundred forty thousand, eight hundred six".