25025525 has 36 divisors (see below), whose sum is σ = 37319040. Its totient is φ = 16581600.

The previous prime is 25025509. The next prime is 25025543. The reversal of 25025525 is 52552052.

It is not a de Polignac number, because 25025525 - 2⁴ = 25025509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25025494 and 25025503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37646 + ... + 38304.

It is an arithmetic number, because the mean of its divisors is an integer number (1036640).

Almost surely, 2^25025525 is an apocalyptic number.

25025525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25025525 is a deficient number, since it is larger than the sum of its proper divisors (12293515).

25025525 is a wasteful number, since it uses less digits than its factorization.

25025525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 702 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 25025525 is about 5002.5518488068. The cubic root of 25025525 is about 292.5012540429.

Adding to 25025525 its reverse (52552052), we get a palindrome (77577577).

The spelling of 25025525 in words is "twenty-five million, twenty-five thousand, five hundred twenty-five".