545313911 has 2 divisors, whose sum is σ = 545313912. Its totient is φ = 545313910.

The previous prime is 545313907. The next prime is 545313919. The reversal of 545313911 is 119313545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545313911 - 2² = 545313907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545313919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272656955 + 272656956.

It is an arithmetic number, because the mean of its divisors is an integer number (272656956).

Almost surely, 2^545313911 is an apocalyptic number.

545313911 is a deficient number, since it is larger than the sum of its proper divisors (1).

545313911 is an equidigital number, since it uses as much as digits as its factorization.

545313911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 32.

The square root of 545313911 is about 23351.9573269566. The cubic root of 545313911 is about 816.9877139698.

The spelling of 545313911 in words is "five hundred forty-five million, three hundred thirteen thousand, nine hundred eleven".