25145112 has 16 divisors (see below), whose sum is σ = 62862840. Its totient is φ = 8381696.

The previous prime is 25145053. The next prime is 25145129. The reversal of 25145112 is 21154152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523833 + ... + 523880.

Almost surely, 2^25145112 is an apocalyptic number.

It is an amenable number.

25145112 is an abundant number, since it is smaller than the sum of its proper divisors (37717728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25145112 is a wasteful number, since it uses less digits than its factorization.

25145112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047722 (or 1047718 counting only the distinct ones).

The product of its digits is 400, while the sum is 21.

The square root of 25145112 is about 5014.4902034005. The cubic root of 25145112 is about 292.9664294650.

Adding to 25145112 its reverse (21154152), we get a palindrome (46299264).

It can be divided in two parts, 2514 and 5112, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 25145112 in words is "twenty-five million, one hundred forty-five thousand, one hundred twelve".