4545269 has 2 divisors, whose sum is σ = 4545270. Its totient is φ = 4545268.

The previous prime is 4545259. The next prime is 4545337. The reversal of 4545269 is 9625454.

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., 4431025 + 114244 = 2105^2 + 338^2 .

It is a cyclic number.

It is not a de Polignac number, because 4545269 - 2²⁰ = 3496693 is a prime.

It is a super-2 number, since 2×4545269² = 41318940564722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4545209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2272634 + 2272635.

It is an arithmetic number, because the mean of its divisors is an integer number (2272635).

Almost surely, 2^4545269 is an apocalyptic number.

It is an amenable number.

4545269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4545269 is an equidigital number, since it uses as much as digits as its factorization.

4545269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 4545269 is about 2131.9636488458. The cubic root of 4545269 is about 165.6481272558.

The spelling of 4545269 in words is "four million, five hundred forty-five thousand, two hundred sixty-nine".