4345249 has 2 divisors, whose sum is σ = 4345250. Its totient is φ = 4345248.

The previous prime is 4345223. The next prime is 4345277. The reversal of 4345249 is 9425434.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4129024 + 216225 = 2032^2 + 465^2 .

It is a cyclic number.

It is not a de Polignac number, because 4345249 - 2¹⁵ = 4312481 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁴ + 3³ + 4⁷ + 5⁵ + 2¹⁷ + 4¹¹ + 9² .

It is a self number, because there is not a number n which added to its sum of digits gives 4345249.

It is not a weakly prime, because it can be changed into another prime (4345049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172624 + 2172625.

It is an arithmetic number, because the mean of its divisors is an integer number (2172625).

Almost surely, 2^4345249 is an apocalyptic number.

It is an amenable number.

4345249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345249 is an equidigital number, since it uses as much as digits as its factorization.

4345249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 4345249 is about 2084.5260852290. The cubic root of 4345249 is about 163.1817386534.

The spelling of 4345249 in words is "four million, three hundred forty-five thousand, two hundred forty-nine".