545750069 has 2 divisors, whose sum is σ = 545750070. Its totient is φ = 545750068.

The previous prime is 545750039. The next prime is 545750077. The reversal of 545750069 is 960057545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 286861969 + 258888100 = 16937^2 + 16090^2 .

It is a cyclic number.

It is not a de Polignac number, because 545750069 - 2²⁸ = 277314613 is a prime.

It is a super-2 number, since 2×545750069² = 595686275627009522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545750039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272875034 + 272875035.

It is an arithmetic number, because the mean of its divisors is an integer number (272875035).

Almost surely, 2^545750069 is an apocalyptic number.

It is an amenable number.

545750069 is a deficient number, since it is larger than the sum of its proper divisors (1).

545750069 is an equidigital number, since it uses as much as digits as its factorization.

545750069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 545750069 is about 23361.2942492491. The cubic root of 545750069 is about 817.2054728055.

The spelling of 545750069 in words is "five hundred forty-five million, seven hundred fifty thousand, sixty-nine".