8245557 has 10 divisors (see below), whose sum is σ = 12317558. Its totient is φ = 5496984.

The previous prime is 8245547. The next prime is 8245571. The reversal of 8245557 is 7555428.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8242641 + 2916 = 2871^2 + 54^2 .

It is not a de Polignac number, because 8245557 - 2¹¹ = 8243509 is a prime.

It is a Duffinian number.

8245557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8245507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 50818 + ... + 50979.

Almost surely, 2^8245557 is an apocalyptic number.

It is an amenable number.

8245557 is a deficient number, since it is larger than the sum of its proper divisors (4072001).

8245557 is a wasteful number, since it uses less digits than its factorization.

8245557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101809 (or 101800 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 8245557 is about 2871.5077920842. The cubic root of 8245557 is about 202.0257213268.

The spelling of 8245557 in words is "eight million, two hundred forty-five thousand, five hundred fifty-seven".