8265557 has 2 divisors, whose sum is σ = 8265558. Its totient is φ = 8265556.

The previous prime is 8265539. The next prime is 8265617. The reversal of 8265557 is 7555628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4301476 + 3964081 = 2074^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 8265557 - 2²⁰ = 7216981 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8265557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8265157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4132778 + 4132779.

It is an arithmetic number, because the mean of its divisors is an integer number (4132779).

Almost surely, 2^8265557 is an apocalyptic number.

It is an amenable number.

8265557 is a deficient number, since it is larger than the sum of its proper divisors (1).

8265557 is an equidigital number, since it uses as much as digits as its factorization.

8265557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 38.

The square root of 8265557 is about 2874.9881738887. The cubic root of 8265557 is about 202.1889305153.

The spelling of 8265557 in words is "eight million, two hundred sixty-five thousand, five hundred fifty-seven".