8130517 has 4 divisors (see below), whose sum is σ = 8251936. Its totient is φ = 8009100.

The previous prime is 8130509. The next prime is 8130547. The reversal of 8130517 is 7150318.

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.

It is a cyclic number.

It is not a de Polignac number, because 8130517 - 2³ = 8130509 is a prime.

It is a super-2 number, since 2×8130517² = 132210613374578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8130491 and 8130500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130547) 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, 60609 + ... + 60742.

It is an arithmetic number, because the mean of its divisors is an integer number (2062984).

Almost surely, 2^8130517 is an apocalyptic number.

It is an amenable number.

8130517 is a deficient number, since it is larger than the sum of its proper divisors (121419).

8130517 is a wasteful number, since it uses less digits than its factorization.

8130517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121418.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 8130517 is about 2851.4061443435. The cubic root of 8130517 is about 201.0817798786.

The spelling of 8130517 in words is "eight million, one hundred thirty thousand, five hundred seventeen".