25434316232 has 32 divisors (see below), whose sum is σ = 51382503480. Its totient is φ = 11733258240.

The previous prime is 25434316211. The next prime is 25434316273. The reversal of 25434316232 is 23261343452.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1386370756 + 24047945476 = 37234^2 + 155074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25434316192 and 25434316201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161882 + ... + 277622.

Almost surely, 2^25434316232 is an apocalyptic number.

It is an amenable number.

25434316232 is an abundant number, since it is smaller than the sum of its proper divisors (25948187248).

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

25434316232 is a wasteful number, since it uses less digits than its factorization.

25434316232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117873 (or 117869 counting only the distinct ones).

The product of its digits is 103680, while the sum is 35.

Adding to 25434316232 its reverse (23261343452), we get a palindrome (48695659684).

The spelling of 25434316232 in words is "twenty-five billion, four hundred thirty-four million, three hundred sixteen thousand, two hundred thirty-two".