25670071 has 12 divisors (see below), whose sum is σ = 30049488. Its totient is φ = 21864192.

The previous prime is 25670041. The next prime is 25670107. The reversal of 25670071 is 17007652.

It is not a de Polignac number, because 25670071 - 2⁵ = 25670039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25670041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6615 + ... + 9751.

It is an arithmetic number, because the mean of its divisors is an integer number (2504124).

Almost surely, 2^25670071 is an apocalyptic number.

25670071 is a deficient number, since it is larger than the sum of its proper divisors (4379417).

25670071 is a wasteful number, since it uses less digits than its factorization.

25670071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318 (or 3311 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 25670071 is about 5066.5640230831. The cubic root of 25670071 is about 294.9911746857.

The spelling of 25670071 in words is "twenty-five million, six hundred seventy thousand, seventy-one".