25254242232 has 32 divisors (see below), whose sum is σ = 63139873680. Its totient is φ = 8417511680.

The previous prime is 25254242201. The next prime is 25254242239. The reversal of 25254242232 is 23224245252.

It is a junction number, because it is equal to n+sod(n) for n = 25254242193 and 25254242202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254242239) 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 7 ways as a sum of consecutive naturals, for example, 478468 + ... + 528620.

Almost surely, 2^25254242232 is an apocalyptic number.

It is an amenable number.

25254242232 is an abundant number, since it is smaller than the sum of its proper divisors (37885631448).

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

25254242232 is a wasteful number, since it uses less digits than its factorization.

25254242232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71143 (or 71139 counting only the distinct ones).

The product of its digits is 76800, while the sum is 33.

Adding to 25254242232 its reverse (23224245252), we get a palindrome (48478487484).

The spelling of 25254242232 in words is "twenty-five billion, two hundred fifty-four million, two hundred forty-two thousand, two hundred thirty-two".