8425279 has 2 divisors, whose sum is σ = 8425280. Its totient is φ = 8425278.

The previous prime is 8425253. The next prime is 8425289. The reversal of 8425279 is 9725248.

8425279 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8425279 - 2¹¹ = 8423231 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 8³ + 4⁴ + 2¹⁵ + 5 + 2²³ + 7⁴ + 9³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8425289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4212639 + 4212640.

It is an arithmetic number, because the mean of its divisors is an integer number (4212640).

Almost surely, 2^8425279 is an apocalyptic number.

8425279 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425279 is an equidigital number, since it uses as much as digits as its factorization.

8425279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 8425279 is about 2902.6331149493. The cubic root of 8425279 is about 203.4829836842.

The spelling of 8425279 in words is "eight million, four hundred twenty-five thousand, two hundred seventy-nine".