8081523 has 6 divisors (see below), whose sum is σ = 11673324. Its totient is φ = 5387676.

The previous prime is 8081519. The next prime is 8081527. The reversal of 8081523 is 3251808.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8081519) and next prime (8081527).

It is not a de Polignac number, because 8081523 - 2² = 8081519 is a prime.

It is a super-2 number, since 2×8081523² = 130622027999058, which contains 22 as substring.

8081523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8081527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448965 + ... + 448982.

It is an arithmetic number, because the mean of its divisors is an integer number (1945554).

Almost surely, 2^8081523 is an apocalyptic number.

8081523 is a deficient number, since it is larger than the sum of its proper divisors (3591801).

8081523 is a wasteful number, since it uses less digits than its factorization.

8081523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897953 (or 897950 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 8081523 is about 2842.8019628528. The cubic root of 8081523 is about 200.6770636708.

The spelling of 8081523 in words is "eight million, eighty-one thousand, five hundred twenty-three".