4309541 has 2 divisors, whose sum is σ = 4309542. Its totient is φ = 4309540.

The previous prime is 4309531. The next prime is 4309549. The reversal of 4309541 is 1459034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2709316 + 1600225 = 1646^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 4309541 - 2¹⁰ = 4308517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4309541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4309549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154770 + 2154771.

It is an arithmetic number, because the mean of its divisors is an integer number (2154771).

Almost surely, 2^4309541 is an apocalyptic number.

It is an amenable number.

4309541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4309541 is an equidigital number, since it uses as much as digits as its factorization.

4309541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4309541 is about 2075.9433999991. The cubic root of 4309541 is about 162.7335151617.

The spelling of 4309541 in words is "four million, three hundred nine thousand, five hundred forty-one".