8492257 has 4 divisors (see below), whose sum is σ = 8499456. Its totient is φ = 8485060.

The previous prime is 8492251. The next prime is 8492261. The reversal of 8492257 is 7522948.

8492257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8492257 - 2³ = 8492249 is a prime.

It is a d-powerful number, because it can be written as 8³ + 4 + 9 + 2¹³ + 2²³ + 5⁷ + 7⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8492251) 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, 1369 + ... + 4342.

It is an arithmetic number, because the mean of its divisors is an integer number (2124864).

Almost surely, 2^8492257 is an apocalyptic number.

It is an amenable number.

8492257 is a deficient number, since it is larger than the sum of its proper divisors (7199).

8492257 is a wasteful number, since it uses less digits than its factorization.

8492257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198.

The product of its digits is 40320, while the sum is 37.

The square root of 8492257 is about 2914.1477313273. The cubic root of 8492257 is about 204.0207671413.

The spelling of 8492257 in words is "eight million, four hundred ninety-two thousand, two hundred fifty-seven".