8042511 has 4 divisors (see below), whose sum is σ = 10723352. Its totient is φ = 5361672.

The previous prime is 8042509. The next prime is 8042521. The reversal of 8042511 is 1152408.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 8042511 - 2¹ = 8042509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042521) 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 3 ways as a sum of consecutive naturals, for example, 1340416 + ... + 1340421.

It is an arithmetic number, because the mean of its divisors is an integer number (2680838).

Almost surely, 2^8042511 is an apocalyptic number.

8042511 is a deficient number, since it is larger than the sum of its proper divisors (2680841).

8042511 is a wasteful number, since it uses less digits than its factorization.

8042511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680840.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8042511 is about 2835.9321218957. The cubic root of 8042511 is about 200.3536326844.

Adding to 8042511 its reverse (1152408), we get a palindrome (9194919).

The spelling of 8042511 in words is "eight million, forty-two thousand, five hundred eleven".