25274161 has 8 divisors (see below), whose sum is σ = 29023200. Its totient is φ = 21767040.

The previous prime is 25274147. The next prime is 25274177. The reversal of 25274161 is 16147252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25274161 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25274101) 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 7 ways as a sum of consecutive naturals, for example, 60256 + ... + 60673.

It is an arithmetic number, because the mean of its divisors is an integer number (3627900).

Almost surely, 2^25274161 is an apocalyptic number.

It is an amenable number.

25274161 is a deficient number, since it is larger than the sum of its proper divisors (3749039).

25274161 is a wasteful number, since it uses less digits than its factorization.

25274161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120959.

The product of its digits is 3360, while the sum is 28.

The square root of 25274161 is about 5027.3413450849. The cubic root of 25274161 is about 293.4667590608.

The spelling of 25274161 in words is "twenty-five million, two hundred seventy-four thousand, one hundred sixty-one".