8625521841 has 8 divisors (see below), whose sum is σ = 11503443744. Its totient is φ = 5748973920.

The previous prime is 8625521819. The next prime is 8625521857. The reversal of 8625521841 is 1481255268.

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

It is not a de Polignac number, because 8625521841 - 2²² = 8621327537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8625521793 and 8625521802.

It is not an unprimeable number, because it can be changed into a prime (8625521741) 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, 328756 + ... + 354021.

It is an arithmetic number, because the mean of its divisors is an integer number (1437930468).

Almost surely, 2^8625521841 is an apocalyptic number.

It is an amenable number.

8625521841 is a deficient number, since it is larger than the sum of its proper divisors (2877921903).

8625521841 is a wasteful number, since it uses less digits than its factorization.

8625521841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686991.

The product of its digits is 153600, while the sum is 42.

The square root of 8625521841 is about 92873.6875600404. The cubic root of 8625521841 is about 2050.8243237324.

The spelling of 8625521841 in words is "eight billion, six hundred twenty-five million, five hundred twenty-one thousand, eight hundred forty-one".