25970135 has 16 divisors (see below), whose sum is σ = 33146496. Its totient is φ = 19465728.

The previous prime is 25970129. The next prime is 25970141. The reversal of 25970135 is 53107952.

It is an interprime number because it is at equal distance from previous prime (25970129) and next prime (25970141).

It is a cyclic number.

It is not a de Polignac number, because 25970135 - 2¹⁸ = 25707991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22994 + ... + 24096.

It is an arithmetic number, because the mean of its divisors is an integer number (2071656).

Almost surely, 2^25970135 is an apocalyptic number.

25970135 is a deficient number, since it is larger than the sum of its proper divisors (7176361).

25970135 is a wasteful number, since it uses less digits than its factorization.

25970135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 25970135 is about 5096.0901679621. The cubic root of 25970135 is about 296.1361339658.

The spelling of 25970135 in words is "twenty-five million, nine hundred seventy thousand, one hundred thirty-five".