8081513 has 8 divisors (see below), whose sum is σ = 8838720. Its totient is φ = 7328080.

The previous prime is 8081501. The next prime is 8081519. The reversal of 8081513 is 3151808.

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 8081513 - 2⁴ = 8081497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8081519) 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, 5468 + ... + 6786.

It is an arithmetic number, because the mean of its divisors is an integer number (1104840).

Almost surely, 2^8081513 is an apocalyptic number.

It is an amenable number.

8081513 is a deficient number, since it is larger than the sum of its proper divisors (757207).

8081513 is a wasteful number, since it uses less digits than its factorization.

8081513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 8081513 is about 2842.8002040242. The cubic root of 8081513 is about 200.6769808988.

The spelling of 8081513 in words is "eight million, eighty-one thousand, five hundred thirteen".