23525117641 has 3 divisors (see below), whose sum is σ = 23525271021. Its totient is φ = 23524964262.

The previous prime is 23525117611. The next prime is 23525117773. The reversal of 23525117641 is 14671152532.

The square root of 23525117641 is 153379.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 23525117641 - 2¹³ = 23525109449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23525117641.

It is not an unprimeable number, because it can be changed into a prime (23525117611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 76690 + ... + 230068.

It is an arithmetic number, because the mean of its divisors is an integer number (7841757007).

Almost surely, 2^23525117641 is an apocalyptic number.

23525117641 is the 153379-th square number.

23525117641 is the 76690-th centered octagonal number.

It is an amenable number.

23525117641 is a deficient number, since it is larger than the sum of its proper divisors (153380).

23525117641 is an frugal number, since it uses more digits than its factorization.

23525117641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306758 (or 153379 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The spelling of 23525117641 in words is "twenty-three billion, five hundred twenty-five million, one hundred seventeen thousand, six hundred forty-one".