545434093 has 2 divisors, whose sum is σ = 545434094. Its totient is φ = 545434092.

The previous prime is 545434073. The next prime is 545434151. The reversal of 545434093 is 390434545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423618724 + 121815369 = 20582^2 + 11037^2 .

It is a cyclic number.

It is not a de Polignac number, because 545434093 - 2²⁵ = 511879661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545434033) 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, 272717046 + 272717047.

It is an arithmetic number, because the mean of its divisors is an integer number (272717047).

Almost surely, 2^545434093 is an apocalyptic number.

It is an amenable number.

545434093 is a deficient number, since it is larger than the sum of its proper divisors (1).

545434093 is an equidigital number, since it uses as much as digits as its factorization.

545434093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 545434093 is about 23354.5304598487. The cubic root of 545434093 is about 817.0477283354.

The spelling of 545434093 in words is "five hundred forty-five million, four hundred thirty-four thousand, ninety-three".