25512324245 has 8 divisors (see below), whose sum is σ = 30687510840. Its totient is φ = 20361378240.

The previous prime is 25512324241. The next prime is 25512324263. The reversal of 25512324245 is 54242321552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1917213796 + 23595110449 = 43786^2 + 153607^2 .

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

It is not a de Polignac number, because 25512324245 - 2² = 25512324241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25512324241) 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, 6057830 + ... + 6062039.

It is an arithmetic number, because the mean of its divisors is an integer number (3835938855).

Almost surely, 2^25512324245 is an apocalyptic number.

It is an amenable number.

25512324245 is a deficient number, since it is larger than the sum of its proper divisors (5175186595).

25512324245 is a wasteful number, since it uses less digits than its factorization.

25512324245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120295.

The product of its digits is 96000, while the sum is 35.

Adding to 25512324245 its reverse (54242321552), we get a palindrome (79754645797).

The spelling of 25512324245 in words is "twenty-five billion, five hundred twelve million, three hundred twenty-four thousand, two hundred forty-five".