545846369 has 2 divisors, whose sum is σ = 545846370. Its totient is φ = 545846368.

The previous prime is 545846351. The next prime is 545846423. The reversal of 545846369 is 963648545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 420742144 + 125104225 = 20512^2 + 11185^2 .

It is a cyclic number.

It is not a de Polignac number, because 545846369 - 2⁸ = 545846113 is a prime.

It is a super-2 number, since 2×545846369² = 595896517100968322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545846069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272923184 + 272923185.

It is an arithmetic number, because the mean of its divisors is an integer number (272923185).

Almost surely, 2^545846369 is an apocalyptic number.

It is an amenable number.

545846369 is a deficient number, since it is larger than the sum of its proper divisors (1).

545846369 is an equidigital number, since it uses as much as digits as its factorization.

545846369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3110400, while the sum is 50.

The square root of 545846369 is about 23363.3552598936. The cubic root of 545846369 is about 817.2535364786.

The spelling of 545846369 in words is "five hundred forty-five million, eight hundred forty-six thousand, three hundred sixty-nine".