25125102 has 12 divisors (see below), whose sum is σ = 54437760. Its totient is φ = 8375028.

The previous prime is 25125083. The next prime is 25125151. The reversal of 25125102 is 20152152.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1395839 = 25125102 / (2 + 5 + 1 + 2 + 5 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 697902 + ... + 697937.

It is an arithmetic number, because the mean of its divisors is an integer number (4536480).

Almost surely, 2^25125102 is an apocalyptic number.

25125102 is an abundant number, since it is smaller than the sum of its proper divisors (29312658).

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

25125102 is a wasteful number, since it uses less digits than its factorization.

25125102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395847 (or 1395844 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 25125102 is about 5012.4945885258. The cubic root of 25125102 is about 292.8886964784. Note that the first 3 decimals are identical.

Adding to 25125102 its reverse (20152152), we get a palindrome (45277254).

The spelling of 25125102 in words is "twenty-five million, one hundred twenty-five thousand, one hundred two".