8245457 has 4 divisors (see below), whose sum is σ = 8995056. Its totient is φ = 7495860.

The previous prime is 8245453. The next prime is 8245481. The reversal of 8245457 is 7545428.

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.

It is a cyclic number.

It is not a de Polignac number, because 8245457 - 2² = 8245453 is a prime.

It is a super-2 number, since 2×8245457² = 135975122277698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 8³ + 2²¹ + 4² + 5 + 4¹¹ + 5⁹ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8245451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374783 + ... + 374804.

It is an arithmetic number, because the mean of its divisors is an integer number (2248764).

Almost surely, 2^8245457 is an apocalyptic number.

It is an amenable number.

8245457 is a deficient number, since it is larger than the sum of its proper divisors (749599).

8245457 is a wasteful number, since it uses less digits than its factorization.

8245457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749598.

The product of its digits is 44800, while the sum is 35.

The square root of 8245457 is about 2871.4903795764. The cubic root of 8245457 is about 202.0249046182.

The spelling of 8245457 in words is "eight million, two hundred forty-five thousand, four hundred fifty-seven".