8315091 has 12 divisors (see below), whose sum is σ = 12717432. Its totient is φ = 5217216.

The previous prime is 8315089. The next prime is 8315107. The reversal of 8315091 is 1905138.

It is not a de Polignac number, because 8315091 - 2¹ = 8315089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8315081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27021 + ... + 27326.

It is an arithmetic number, because the mean of its divisors is an integer number (1059786).

Almost surely, 2^8315091 is an apocalyptic number.

8315091 is a deficient number, since it is larger than the sum of its proper divisors (4402341).

8315091 is a wasteful number, since it uses less digits than its factorization.

8315091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54370 (or 54367 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 8315091 is about 2883.5899500449. The cubic root of 8315091 is about 202.5920203633.

The spelling of 8315091 in words is "eight million, three hundred fifteen thousand, ninety-one".