545514089 has 2 divisors, whose sum is σ = 545514090. Its totient is φ = 545514088.

The previous prime is 545514049. The next prime is 545514121. The reversal of 545514089 is 980415545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537868864 + 7645225 = 23192^2 + 2765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545514089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (545514049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272757044 + 272757045.

It is an arithmetic number, because the mean of its divisors is an integer number (272757045).

Almost surely, 2^545514089 is an apocalyptic number.

It is an amenable number.

545514089 is a deficient number, since it is larger than the sum of its proper divisors (1).

545514089 is an equidigital number, since it uses as much as digits as its factorization.

545514089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 545514089 is about 23356.2430412085. The cubic root of 545514089 is about 817.0876704389.

The spelling of 545514089 in words is "five hundred forty-five million, five hundred fourteen thousand, eighty-nine".