4248779 has 2 divisors, whose sum is σ = 4248780. Its totient is φ = 4248778.

The previous prime is 4248757. The next prime is 4248791. The reversal of 4248779 is 9778424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4248779 - 2¹⁶ = 4183243 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁷ + 2¹⁵ + 4¹¹ + 8³ + 7⁴ + 7⁴ + 9 .

It is not a weakly prime, because it can be changed into another prime (4248709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124389 + 2124390.

It is an arithmetic number, because the mean of its divisors is an integer number (2124390).

Almost surely, 2^4248779 is an apocalyptic number.

4248779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248779 is an equidigital number, since it uses as much as digits as its factorization.

4248779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 41.

The square root of 4248779 is about 2061.2566555381. The cubic root of 4248779 is about 161.9650765546.

The spelling of 4248779 in words is "four million, two hundred forty-eight thousand, seven hundred seventy-nine".