25055167 has 16 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 22991904.

The previous prime is 25055143. The next prime is 25055203. The reversal of 25055167 is 76155052.

It is a cyclic number.

It is not a de Polignac number, because 25055167 - 2¹⁵ = 25022399 is a prime.

It is a super-2 number, since 2×25055167² = 1255522786795778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25055137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139884 + ... + 140062.

It is an arithmetic number, because the mean of its divisors is an integer number (1701000).

Almost surely, 2^25055167 is an apocalyptic number.

25055167 is a deficient number, since it is larger than the sum of its proper divisors (2160833).

25055167 is a wasteful number, since it uses less digits than its factorization.

25055167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 25055167 is about 5005.5136599554. The cubic root of 25055167 is about 292.6166948602.

The spelling of 25055167 in words is "twenty-five million, fifty-five thousand, one hundred sixty-seven".