25251043230 has 48 divisors (see below), whose sum is σ = 75031673184. Its totient is φ = 5771666880.

The previous prime is 25251043217. The next prime is 25251043267. The reversal of 25251043230 is 3234015252.

It is a happy number.

25251043230 is a `hidden beast` number, since 2 + 525 + 104 + 3 + 2 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25251043194 and 25251043203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20039881 + ... + 20041140.

It is an arithmetic number, because the mean of its divisors is an integer number (1563159858).

Almost surely, 2^25251043230 is an apocalyptic number.

25251043230 is an abundant number, since it is smaller than the sum of its proper divisors (49780629954).

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

25251043230 is a wasteful number, since it uses less digits than its factorization.

25251043230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40081041 (or 40081038 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 25251043230 its reverse (3234015252), we get a palindrome (28485058482).

The spelling of 25251043230 in words is "twenty-five billion, two hundred fifty-one million, forty-three thousand, two hundred thirty".