8523583745 has 8 divisors (see below), whose sum is σ = 10232654184. Its totient is φ = 6815964544.

The previous prime is 8523583693. The next prime is 8523583753. The reversal of 8523583745 is 5473853258.

It can be written as a sum of positive squares in 4 ways, for example, as 466905664 + 8056678081 = 21608^2 + 89759^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 8523583745 - 2⁶ = 8523583681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8523583693 and 8523583702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349844 + ... + 373413.

It is an arithmetic number, because the mean of its divisors is an integer number (1279081773).

Almost surely, 2^8523583745 is an apocalyptic number.

It is an amenable number.

8523583745 is a deficient number, since it is larger than the sum of its proper divisors (1709070439).

8523583745 is a wasteful number, since it uses less digits than its factorization.

8523583745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725619.

The product of its digits is 4032000, while the sum is 50.

The square root of 8523583745 is about 92323.2567937245. The cubic root of 8523583745 is about 2042.7132729801.

The spelling of 8523583745 in words is "eight billion, five hundred twenty-three million, five hundred eighty-three thousand, seven hundred forty-five".