25145163 has 12 divisors (see below), whose sum is σ = 37302928. Its totient is φ = 16310160.

The previous prime is 25145149. The next prime is 25145171. The reversal of 25145163 is 36154152.

It is not a de Polignac number, because 25145163 - 2¹⁶ = 25079627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25145143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37423 + ... + 38088.

Almost surely, 2^25145163 is an apocalyptic number.

25145163 is a deficient number, since it is larger than the sum of its proper divisors (12157765).

25145163 is a wasteful number, since it uses less digits than its factorization.

25145163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75554 (or 75551 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 25145163 is about 5014.4952886607. The cubic root of 25145163 is about 292.9666275324.

The spelling of 25145163 in words is "twenty-five million, one hundred forty-five thousand, one hundred sixty-three".