25651163 has 4 divisors (see below), whose sum is σ = 25661328. Its totient is φ = 25641000.

The previous prime is 25651133. The next prime is 25651183. The reversal of 25651163 is 36115652.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 25651163 - 2¹⁴ = 25634779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25651103) 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, 1913 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (6415332).

Almost surely, 2^25651163 is an apocalyptic number.

25651163 is a deficient number, since it is larger than the sum of its proper divisors (10165).

25651163 is an equidigital number, since it uses as much as digits as its factorization.

25651163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10164.

The product of its digits is 5400, while the sum is 29.

The square root of 25651163 is about 5064.6977204963. The cubic root of 25651163 is about 294.9187289289.

The spelling of 25651163 in words is "twenty-five million, six hundred fifty-one thousand, one hundred sixty-three".