25082163 has 32 divisors (see below), whose sum is σ = 38400320. Its totient is φ = 16174080.

The previous prime is 25082153. The next prime is 25082171. The reversal of 25082163 is 36128052.

It is not a de Polignac number, because 25082163 - 2⁸ = 25081907 is a prime.

It is a super-2 number, since 2×25082163² = 1258229801517138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25082153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159681 + ... + 159837.

It is an arithmetic number, because the mean of its divisors is an integer number (1200010).

Almost surely, 2^25082163 is an apocalyptic number.

25082163 is a deficient number, since it is larger than the sum of its proper divisors (13318157).

25082163 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 9 representation: 25082163 = (52168230)₉.

25082163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25082163 is about 5008.2095603119. The cubic root of 25082163 is about 292.7217516316.

The spelling of 25082163 in words is "twenty-five million, eighty-two thousand, one hundred sixty-three".