545899129 has 2 divisors, whose sum is σ = 545899130. Its totient is φ = 545899128.

The previous prime is 545899069. The next prime is 545899153. The reversal of 545899129 is 921998545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541818729 + 4080400 = 23277^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 545899129 - 2⁷ = 545899001 is a prime.

It is not a weakly prime, because it can be changed into another prime (545899199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272949564 + 272949565.

It is an arithmetic number, because the mean of its divisors is an integer number (272949565).

Almost surely, 2^545899129 is an apocalyptic number.

It is an amenable number.

545899129 is a deficient number, since it is larger than the sum of its proper divisors (1).

545899129 is an equidigital number, since it uses as much as digits as its factorization.

545899129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 52.

The square root of 545899129 is about 23364.4843512541. The cubic root of 545899129 is about 817.2798667856.

The spelling of 545899129 in words is "five hundred forty-five million, eight hundred ninety-nine thousand, one hundred twenty-nine".