25970161 has 8 divisors (see below), whose sum is σ = 29711360. Its totient is φ = 22236768.

The previous prime is 25970149. The next prime is 25970171. The reversal of 25970161 is 16107952.

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

It is a cyclic number.

It is not a de Polignac number, because 25970161 - 2⁵ = 25970129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25970141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10480 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (3713920).

Almost surely, 2^25970161 is an apocalyptic number.

It is an amenable number.

25970161 is a deficient number, since it is larger than the sum of its proper divisors (3741199).

25970161 is a wasteful number, since it uses less digits than its factorization.

25970161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 25970161 is about 5096.0927189367. The cubic root of 25970161 is about 296.1362327914.

The spelling of 25970161 in words is "twenty-five million, nine hundred seventy thousand, one hundred sixty-one".