4248709 has 2 divisors, whose sum is σ = 4248710. Its totient is φ = 4248708.

The previous prime is 4248689. The next prime is 4248719. The reversal of 4248709 is 9078424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2879809 + 1368900 = 1697^2 + 1170^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248709 - 2¹⁵ = 4215941 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124354 + 2124355.

It is an arithmetic number, because the mean of its divisors is an integer number (2124355).

Almost surely, 2^4248709 is an apocalyptic number.

It is an amenable number.

4248709 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248709 is an equidigital number, since it uses as much as digits as its factorization.

4248709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4248709 is about 2061.2396755351. The cubic root of 4248709 is about 161.9641870741.

The spelling of 4248709 in words is "four million, two hundred forty-eight thousand, seven hundred nine".