545728759 has 2 divisors, whose sum is σ = 545728760. Its totient is φ = 545728758.

The previous prime is 545728723. The next prime is 545728769. The reversal of 545728759 is 957827545.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545728759 - 2²¹ = 543631607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545728709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272864379 + 272864380.

It is an arithmetic number, because the mean of its divisors is an integer number (272864380).

Almost surely, 2^545728759 is an apocalyptic number.

545728759 is a deficient number, since it is larger than the sum of its proper divisors (1).

545728759 is an equidigital number, since it uses as much as digits as its factorization.

545728759 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528000, while the sum is 52.

The square root of 545728759 is about 23360.8381484912. The cubic root of 545728759 is about 817.1948361446.

The spelling of 545728759 in words is "five hundred forty-five million, seven hundred twenty-eight thousand, seven hundred fifty-nine".