25263023500 has 96 divisors (see below), whose sum is σ = 64820508480. Its totient is φ = 8479872000.

The previous prime is 25263023497. The next prime is 25263023537. The reversal of 25263023500 is 532036252.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 105165 + ... + 248164.

It is an arithmetic number, because the mean of its divisors is an integer number (675213630).

Almost surely, 2^25263023500 is an apocalyptic number.

25263023500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25263023500 is an abundant number, since it is smaller than the sum of its proper divisors (39557484980).

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

25263023500 is a wasteful number, since it uses less digits than its factorization.

25263023500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353372 (or 353360 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 25263023500 its reverse (532036252), we get a palindrome (25795059752).

The spelling of 25263023500 in words is "twenty-five billion, two hundred sixty-three million, twenty-three thousand, five hundred".