25254452332 has 24 divisors (see below), whose sum is σ = 45286043040. Its totient is φ = 12315757440.

The previous prime is 25254452329. The next prime is 25254452339. The reversal of 25254452332 is 23325445252.

It is a junction number, because it is equal to n+sod(n) for n = 25254452291 and 25254452300.

It is not an unprimeable number, because it can be changed into a prime (25254452339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615969 + ... + 655687.

It is an arithmetic number, because the mean of its divisors is an integer number (1886918460).

Almost surely, 2^25254452332 is an apocalyptic number.

It is an amenable number.

25254452332 is a deficient number, since it is larger than the sum of its proper divisors (20031590708).

25254452332 is a wasteful number, since it uses less digits than its factorization.

25254452332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43641 (or 43639 counting only the distinct ones).

The product of its digits is 288000, while the sum is 37.

Adding to 25254452332 its reverse (23325445252), we get a palindrome (48579897584).

The spelling of 25254452332 in words is "twenty-five billion, two hundred fifty-four million, four hundred fifty-two thousand, three hundred thirty-two".