8813257 has 2 divisors, whose sum is σ = 8813258. Its totient is φ = 8813256.

The previous prime is 8813251. The next prime is 8813261. The reversal of 8813257 is 7523188.

8813257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7458361 + 1354896 = 2731^2 + 1164^2 .

It is a cyclic number.

It is not a de Polignac number, because 8813257 - 2³ = 8813249 is a prime.

It is not a weakly prime, because it can be changed into another prime (8813251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4406628 + 4406629.

It is an arithmetic number, because the mean of its divisors is an integer number (4406629).

Almost surely, 2^8813257 is an apocalyptic number.

It is an amenable number.

8813257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8813257 is an equidigital number, since it uses as much as digits as its factorization.

8813257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 8813257 is about 2968.7130208223. The cubic root of 8813257 is about 206.5596448429.

It can be divided in two parts, 8 and 813257, that multiplied together give a palindrome (6506056).

The spelling of 8813257 in words is "eight million, eight hundred thirteen thousand, two hundred fifty-seven".