4248749 has 2 divisors, whose sum is σ = 4248750. Its totient is φ = 4248748.

The previous prime is 4248743. The next prime is 4248757. The reversal of 4248749 is 9478424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 570025 = 1918^2 + 755^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248749 - 2⁴ = 4248733 is a prime.

It is equal to p₂₉₉₄₉₅ and since 4248749 and 299495 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124374 + 2124375.

It is an arithmetic number, because the mean of its divisors is an integer number (2124375).

Almost surely, 2^4248749 is an apocalyptic number.

It is an amenable number.

4248749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248749 is an equidigital number, since it uses as much as digits as its factorization.

4248749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 38.

The square root of 4248749 is about 2061.2493784111. The cubic root of 4248749 is about 161.9646953499.

The spelling of 4248749 in words is "four million, two hundred forty-eight thousand, seven hundred forty-nine".