545322523 has 2 divisors, whose sum is σ = 545322524. Its totient is φ = 545322522.

The previous prime is 545322521. The next prime is 545322527. The reversal of 545322523 is 325223545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545322523 - 2¹ = 545322521 is a prime.

Together with 545322521, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (545322521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272661261 + 272661262.

It is an arithmetic number, because the mean of its divisors is an integer number (272661262).

Almost surely, 2^545322523 is an apocalyptic number.

545322523 is a deficient number, since it is larger than the sum of its proper divisors (1).

545322523 is an equidigital number, since it uses as much as digits as its factorization.

545322523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 31.

The square root of 545322523 is about 23352.1417219064. The cubic root of 545322523 is about 816.9920147716.

The spelling of 545322523 in words is "five hundred forty-five million, three hundred twenty-two thousand, five hundred twenty-three".