25670002 has 8 divisors (see below), whose sum is σ = 38808576. Its totient is φ = 12733812.

The previous prime is 25669981. The next prime is 25670009. The reversal of 25670002 is 20007652.

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

It is not an unprimeable number, because it can be changed into a prime (25670009) 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 in 3 ways as a sum of consecutive naturals, for example, 50278 + ... + 50785.

It is an arithmetic number, because the mean of its divisors is an integer number (4851072).

Almost surely, 2^25670002 is an apocalyptic number.

25670002 is a deficient number, since it is larger than the sum of its proper divisors (13138574).

25670002 is a wasteful number, since it uses less digits than its factorization.

25670002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101192.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 25670002 is about 5066.5572137300. The cubic root of 25670002 is about 294.9909103778.

Adding to 25670002 its reverse (20007652), we get a palindrome (45677654).

The spelling of 25670002 in words is "twenty-five million, six hundred seventy thousand, two".