8732257 has 2 divisors, whose sum is σ = 8732258. Its totient is φ = 8732256.

The previous prime is 8732239. The next prime is 8732261. The reversal of 8732257 is 7522378.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 1846881 = 2624^2 + 1359^2 .

It is a cyclic number.

It is not a de Polignac number, because 8732257 - 2¹⁵ = 8699489 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (8732957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4366128 + 4366129.

It is an arithmetic number, because the mean of its divisors is an integer number (4366129).

Almost surely, 2^8732257 is an apocalyptic number.

It is an amenable number.

8732257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8732257 is an equidigital number, since it uses as much as digits as its factorization.

8732257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 8732257 is about 2955.0392552384. The cubic root of 8732257 is about 205.9248869960.

The spelling of 8732257 in words is "eight million, seven hundred thirty-two thousand, two hundred fifty-seven".