25973163 has 16 divisors (see below), whose sum is σ = 38823840. Its totient is φ = 17160192.

The previous prime is 25973159. The next prime is 25973177. The reversal of 25973163 is 36137952.

25973163 is a `hidden beast` number, since 2 + 597 + 3 + 1 + 63 = 666.

It is not a de Polignac number, because 25973163 - 2² = 25973159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25973063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1206 + ... + 7307.

It is an arithmetic number, because the mean of its divisors is an integer number (2426490).

Almost surely, 2^25973163 is an apocalyptic number.

25973163 is a deficient number, since it is larger than the sum of its proper divisors (12850677).

25973163 is a wasteful number, since it uses less digits than its factorization.

25973163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8635 (or 8629 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 25973163 is about 5096.3872498075. The cubic root of 25973163 is about 296.1476428954.

The spelling of 25973163 in words is "twenty-five million, nine hundred seventy-three thousand, one hundred sixty-three".