25250552530 has 32 divisors (see below), whose sum is σ = 54202431744. Its totient is φ = 8280926016.

The previous prime is 25250552501. The next prime is 25250552533. The reversal of 25250552530 is 3525505252.

It is not an unprimeable number, because it can be changed into a prime (25250552533) 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 15 ways as a sum of consecutive naturals, for example, 7840177 + ... + 7843396.

It is an arithmetic number, because the mean of its divisors is an integer number (1693825992).

Almost surely, 2^25250552530 is an apocalyptic number.

25250552530 is an abundant number, since it is smaller than the sum of its proper divisors (28951879214).

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

25250552530 is a wasteful number, since it uses less digits than its factorization.

25250552530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15683610.

The product of its (nonzero) digits is 75000, while the sum is 34.

The spelling of 25250552530 in words is "twenty-five billion, two hundred fifty million, five hundred fifty-two thousand, five hundred thirty".