4241309 has 4 divisors (see below), whose sum is σ = 4260060. Its totient is φ = 4222560.

The previous prime is 4241297. The next prime is 4241317. The reversal of 4241309 is 9031424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4120900 + 120409 = 2030^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 4241309 - 2²⁰ = 3192733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4241329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9032 + ... + 9489.

It is an arithmetic number, because the mean of its divisors is an integer number (1065015).

Almost surely, 2^4241309 is an apocalyptic number.

It is an amenable number.

4241309 is a deficient number, since it is larger than the sum of its proper divisors (18751).

4241309 is a wasteful number, since it uses less digits than its factorization.

4241309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4241309 is about 2059.4438569672. The cubic root of 4241309 is about 161.8701011223.

The spelling of 4241309 in words is "four million, two hundred forty-one thousand, three hundred nine".