8081617 has 4 divisors (see below), whose sum is σ = 8089200. Its totient is φ = 8074036.

The previous prime is 8081581. The next prime is 8081629. The reversal of 8081617 is 7161808.

8081617 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8081617 - 2¹⁵ = 8048849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8081657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1867 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (2022300).

Almost surely, 2^8081617 is an apocalyptic number.

It is an amenable number.

8081617 is a deficient number, since it is larger than the sum of its proper divisors (7583).

8081617 is a wasteful number, since it uses less digits than its factorization.

8081617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7582.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 8081617 is about 2842.8184957890. The cubic root of 8081617 is about 200.6778417243.

It can be divided in two parts, 808 and 1617, that multiplied together give a triangular number (1306536 = T₁₆₁₆).

The spelling of 8081617 in words is "eight million, eighty-one thousand, six hundred seventeen".