4045369 has 2 divisors, whose sum is σ = 4045370. Its totient is φ = 4045368.

The previous prime is 4045361. The next prime is 4045381. The reversal of 4045369 is 9635404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 45369 = 2000^2 + 213^2 .

It is a cyclic number.

It is not a de Polignac number, because 4045369 - 2³ = 4045361 is a prime.

It is a super-2 number, since 2×4045369² = 32730020692322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4045369.

It is not a weakly prime, because it can be changed into another prime (4045361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022684 + 2022685.

It is an arithmetic number, because the mean of its divisors is an integer number (2022685).

Almost surely, 2^4045369 is an apocalyptic number.

It is an amenable number.

4045369 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045369 is an equidigital number, since it uses as much as digits as its factorization.

4045369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4045369 is about 2011.3102694512. The cubic root of 4045369 is about 159.3380069979.

The spelling of 4045369 in words is "four million, forty-five thousand, three hundred sixty-nine".