5945509 has 2 divisors, whose sum is σ = 5945510. Its totient is φ = 5945508.

The previous prime is 5945501. The next prime is 5945531. The reversal of 5945509 is 9055495.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3629025 + 2316484 = 1905^2 + 1522^2 .

It is a cyclic number.

It is not a de Polignac number, because 5945509 - 2³ = 5945501 is a prime.

5945509 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5945501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2972754 + 2972755.

It is an arithmetic number, because the mean of its divisors is an integer number (2972755).

Almost surely, 2^5945509 is an apocalyptic number.

It is an amenable number.

5945509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5945509 is an equidigital number, since it uses as much as digits as its factorization.

5945509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 5945509 is about 2438.3414445069. The cubic root of 5945509 is about 181.1602926669.

The spelling of 5945509 in words is "five million, nine hundred forty-five thousand, five hundred nine".