25654163 has 4 divisors (see below), whose sum is σ = 25692408. Its totient is φ = 25615920.

The previous prime is 25654159. The next prime is 25654169. The reversal of 25654163 is 36145652.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25654163 - 2² = 25654159 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 (25654169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18098 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (6423102).

Almost surely, 2^25654163 is an apocalyptic number.

25654163 is a deficient number, since it is larger than the sum of its proper divisors (38245).

25654163 is an equidigital number, since it uses as much as digits as its factorization.

25654163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38244.

The product of its digits is 21600, while the sum is 32.

The square root of 25654163 is about 5064.9938795619. The cubic root of 25654163 is about 294.9302257656.

The spelling of 25654163 in words is "twenty-five million, six hundred fifty-four thousand, one hundred sixty-three".