8379257 has 2 divisors, whose sum is σ = 8379258. Its totient is φ = 8379256.

The previous prime is 8379253. The next prime is 8379271. The reversal of 8379257 is 7529738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4734976 + 3644281 = 2176^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 8379257 - 2² = 8379253 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (8379253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4189628 + 4189629.

It is an arithmetic number, because the mean of its divisors is an integer number (4189629).

Almost surely, 2^8379257 is an apocalyptic number.

It is an amenable number.

8379257 is a deficient number, since it is larger than the sum of its proper divisors (1).

8379257 is an equidigital number, since it uses as much as digits as its factorization.

8379257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 41.

The square root of 8379257 is about 2894.6946298358. The cubic root of 8379257 is about 203.1118071747. Note that the first 3 decimals are identical.

The spelling of 8379257 in words is "eight million, three hundred seventy-nine thousand, two hundred fifty-seven".