25338248761 has 8 divisors (see below), whose sum is σ = 28976031360. Its totient is φ = 21704974368.

The previous prime is 25338248743. The next prime is 25338248797. The reversal of 25338248761 is 16784283352.

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

It is not a de Polignac number, because 25338248761 - 2⁵ = 25338248729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25338248711) 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, 1114996 + ... + 1137493.

It is an arithmetic number, because the mean of its divisors is an integer number (3622003920).

Almost surely, 2^25338248761 is an apocalyptic number.

It is an amenable number.

25338248761 is a deficient number, since it is larger than the sum of its proper divisors (3637782599).

25338248761 is a wasteful number, since it uses less digits than its factorization.

25338248761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254103.

The product of its digits is 1935360, while the sum is 49.

The spelling of 25338248761 in words is "twenty-five billion, three hundred thirty-eight million, two hundred forty-eight thousand, seven hundred sixty-one".