8254991 has 4 divisors (see below), whose sum is σ = 8340192. Its totient is φ = 8169792.

The previous prime is 8254963. The next prime is 8255029. The reversal of 8254991 is 1994528.

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 8254991 - 2¹⁸ = 7992847 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 (8254901) 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, 42455 + ... + 42648.

It is an arithmetic number, because the mean of its divisors is an integer number (2085048).

Almost surely, 2^8254991 is an apocalyptic number.

8254991 is a deficient number, since it is larger than the sum of its proper divisors (85201).

8254991 is an equidigital number, since it uses as much as digits as its factorization.

8254991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85200.

The product of its digits is 25920, while the sum is 38.

The square root of 8254991 is about 2873.1500134869. The cubic root of 8254991 is about 202.1027399461.

The spelling of 8254991 in words is "eight million, two hundred fifty-four thousand, nine hundred ninety-one".