25202125 has 24 divisors (see below), whose sum is σ = 34086312. Its totient is φ = 18595200.

The previous prime is 25202123. The next prime is 25202129. The reversal of 25202125 is 52120252.

It can be written as a sum of positive squares in 12 ways, for example, as 24314761 + 887364 = 4931^2 + 942^2 .

It is not a de Polignac number, because 25202125 - 2¹ = 25202123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20529 + ... + 21721.

It is an arithmetic number, because the mean of its divisors is an integer number (1420263).

Almost surely, 2^25202125 is an apocalyptic number.

25202125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25202125 is a deficient number, since it is larger than the sum of its proper divisors (8884187).

25202125 is a wasteful number, since it uses less digits than its factorization.

25202125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1211 counting only the distinct ones).

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

The square root of 25202125 is about 5020.1718098089. The cubic root of 25202125 is about 293.1876823683.

Adding to 25202125 its reverse (52120252), we get a palindrome (77322377).

The spelling of 25202125 in words is "twenty-five million, two hundred two thousand, one hundred twenty-five".