25022125 has 8 divisors (see below), whose sum is σ = 31227768. Its totient is φ = 20017600.

The previous prime is 25022119. The next prime is 25022167. The reversal of 25022125 is 52122052.

It can be written as a sum of positive squares in 4 ways, for example, as 5148361 + 19873764 = 2269^2 + 4458^2 .

It is not a de Polignac number, because 25022125 - 2³ = 25022117 is a prime.

It is a super-2 number, since 2×25022125² = 1252213479031250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99964 + ... + 100213.

It is an arithmetic number, because the mean of its divisors is an integer number (3903471).

Almost surely, 2^25022125 is an apocalyptic number.

25022125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25022125 is a deficient number, since it is larger than the sum of its proper divisors (6205643).

25022125 is an equidigital number, since it uses as much as digits as its factorization.

25022125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200192 (or 200182 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 25022125 is about 5002.2120107009. The cubic root of 25022125 is about 292.4880069108.

Adding to 25022125 its reverse (52122052), we get a palindrome (77144177).

The spelling of 25022125 in words is "twenty-five million, twenty-two thousand, one hundred twenty-five".