545313101 has 2 divisors, whose sum is σ = 545313102. Its totient is φ = 545313100.

The previous prime is 545313089. The next prime is 545313103. The reversal of 545313101 is 101313545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545222500 + 90601 = 23350^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 545313101 - 2²² = 541118797 is a prime.

Together with 545313103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545313103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272656550 + 272656551.

It is an arithmetic number, because the mean of its divisors is an integer number (272656551).

Almost surely, 2^545313101 is an apocalyptic number.

It is an amenable number.

545313101 is a deficient number, since it is larger than the sum of its proper divisors (1).

545313101 is an equidigital number, since it uses as much as digits as its factorization.

545313101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 545313101 is about 23351.9399836502. The cubic root of 545313101 is about 816.9873094564.

Adding to 545313101 its reverse (101313545), we get a palindrome (646626646).

The spelling of 545313101 in words is "five hundred forty-five million, three hundred thirteen thousand, one hundred one".