25000275225 has 24 divisors (see below), whose sum is σ = 43765189920. Its totient is φ = 12549157120.

The previous prime is 25000275211. The next prime is 25000275229. The reversal of 25000275225 is 52257200052.

It is not a de Polignac number, because 25000275225 - 2⁵ = 25000275193 is a prime.

It is a super-2 number, since 2×25000275225² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25000275192 and 25000275201.

It is not an unprimeable number, because it can be changed into a prime (25000275229) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 9802755 + ... + 9805304.

It is an arithmetic number, because the mean of its divisors is an integer number (1823549580).

Almost surely, 2^25000275225 is an apocalyptic number.

25000275225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25000275225 is a deficient number, since it is larger than the sum of its proper divisors (18764914695).

25000275225 is a wasteful number, since it uses less digits than its factorization.

25000275225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19608089 (or 19608084 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

Adding to 25000275225 its reverse (52257200052), we get a palindrome (77257475277).

The spelling of 25000275225 in words is "twenty-five billion, two hundred seventy-five thousand, two hundred twenty-five".