8052391 has 4 divisors (see below), whose sum is σ = 8154400. Its totient is φ = 7950384.

The previous prime is 8052389. The next prime is 8052397. The reversal of 8052391 is 1932508.

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

It is a cyclic number.

It is not a de Polignac number, because 8052391 - 2¹ = 8052389 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 (8052397) 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, 50886 + ... + 51043.

It is an arithmetic number, because the mean of its divisors is an integer number (2038600).

Almost surely, 2^8052391 is an apocalyptic number.

8052391 is a deficient number, since it is larger than the sum of its proper divisors (102009).

8052391 is a wasteful number, since it uses less digits than its factorization.

8052391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102008.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 8052391 is about 2837.6735189236. The cubic root of 8052391 is about 200.4356420577.

Adding to 8052391 its reverse (1932508), we get a palindrome (9984899).

The spelling of 8052391 in words is "eight million, fifty-two thousand, three hundred ninety-one".