25003025530 has 32 divisors (see below), whose sum is σ = 52630959744. Its totient is φ = 8373105216.

The previous prime is 25003025503. The next prime is 25003025591. The reversal of 25003025530 is 3552030052.

It is a junction number, because it is equal to n+sod(n) for n = 25003025495 and 25003025504.

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 15 ways as a sum of consecutive naturals, for example, 4150317 + ... + 4156336.

It is an arithmetic number, because the mean of its divisors is an integer number (1644717492).

Almost surely, 2^25003025530 is an apocalyptic number.

25003025530 is an abundant number, since it is smaller than the sum of its proper divisors (27627934214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25003025530 is a wasteful number, since it uses less digits than its factorization.

25003025530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8306710.

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 25003025530 its reverse (3552030052), we get a palindrome (28555055582).

The spelling of 25003025530 in words is "twenty-five billion, three million, twenty-five thousand, five hundred thirty".