25232003447 has 8 divisors (see below), whose sum is σ = 29009250816. Its totient is φ = 21497924952.

The previous prime is 25232003441. The next prime is 25232003521. The reversal of 25232003447 is 74430023252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25232003447 - 2¹⁸ = 25231741303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25232003441) 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, 10790963 + ... + 10793300.

It is an arithmetic number, because the mean of its divisors is an integer number (3626156352).

Almost surely, 2^25232003447 is an apocalyptic number.

25232003447 is a deficient number, since it is larger than the sum of its proper divisors (3777247369).

25232003447 is a wasteful number, since it uses less digits than its factorization.

25232003447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21584437.

The product of its (nonzero) digits is 40320, while the sum is 32.

Adding to 25232003447 its reverse (74430023252), we get a palindrome (99662026699).

The spelling of 25232003447 in words is "twenty-five billion, two hundred thirty-two million, three thousand, four hundred forty-seven".