4307249 has 2 divisors, whose sum is σ = 4307250. Its totient is φ = 4307248.

The previous prime is 4307231. The next prime is 4307263. The reversal of 4307249 is 9427034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4276624 + 30625 = 2068^2 + 175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4307249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4307299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2153624 + 2153625.

It is an arithmetic number, because the mean of its divisors is an integer number (2153625).

Almost surely, 2^4307249 is an apocalyptic number.

It is an amenable number.

4307249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4307249 is an equidigital number, since it uses as much as digits as its factorization.

4307249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 4307249 is about 2075.3912884080. The cubic root of 4307249 is about 162.7046604755.

The spelling of 4307249 in words is "four million, three hundred seven thousand, two hundred forty-nine".