25002125 has 8 divisors (see below), whose sum is σ = 31202808. Its totient is φ = 20001600.

The previous prime is 25002101. The next prime is 25002137. The reversal of 25002125 is 52120052.

It can be written as a sum of positive squares in 4 ways, for example, as 4761124 + 20241001 = 2182^2 + 4499^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25002125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99884 + ... + 100133.

It is an arithmetic number, because the mean of its divisors is an integer number (3900351).

Almost surely, 2^25002125 is an apocalyptic number.

25002125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25002125 is a deficient number, since it is larger than the sum of its proper divisors (6200683).

25002125 is an equidigital number, since it uses as much as digits as its factorization.

25002125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200032 (or 200022 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 25002125 is about 5000.2124954846. The cubic root of 25002125 is about 292.4100583035.

Adding to 25002125 its reverse (52120052), we get a palindrome (77122177).

The spelling of 25002125 in words is "twenty-five million, two thousand, one hundred twenty-five".