8152991 has 8 divisors (see below), whose sum is σ = 10164864. Its totient is φ = 6352920.

The previous prime is 8152961. The next prime is 8152993. The reversal of 8152991 is 1992518.

8152991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8152991 - 2⁶ = 8152927 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8152993) 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, 52865 + ... + 53018.

It is an arithmetic number, because the mean of its divisors is an integer number (1270608).

Almost surely, 2^8152991 is an apocalyptic number.

8152991 is a deficient number, since it is larger than the sum of its proper divisors (2011873).

8152991 is a wasteful number, since it uses less digits than its factorization.

8152991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105901.

The product of its digits is 6480, while the sum is 35.

The square root of 8152991 is about 2855.3442874722. The cubic root of 8152991 is about 201.2668830917.

The spelling of 8152991 in words is "eight million, one hundred fifty-two thousand, nine hundred ninety-one".