25970806 has 8 divisors (see below), whose sum is σ = 39505104. Its totient is φ = 12802440.

The previous prime is 25970771. The next prime is 25970809. The reversal of 25970806 is 60807952.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25970809) 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 in 3 ways as a sum of consecutive naturals, for example, 91305 + ... + 91588.

It is an arithmetic number, because the mean of its divisors is an integer number (4938138).

Almost surely, 2^25970806 is an apocalyptic number.

25970806 is a deficient number, since it is larger than the sum of its proper divisors (13534298).

25970806 is a wasteful number, since it uses less digits than its factorization.

25970806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182966.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 25970806 is about 5096.1560023217. The cubic root of 25970806 is about 296.1386844036.

The spelling of 25970806 in words is "twenty-five million, nine hundred seventy thousand, eight hundred six".