545422073 has 4 divisors (see below), whose sum is σ = 623339520. Its totient is φ = 467504628.

The previous prime is 545422061. The next prime is 545422081. The reversal of 545422073 is 370224545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 545422073 - 2⁸ = 545421817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545422573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38958713 + ... + 38958726.

It is an arithmetic number, because the mean of its divisors is an integer number (155834880).

Almost surely, 2^545422073 is an apocalyptic number.

It is an amenable number.

545422073 is a deficient number, since it is larger than the sum of its proper divisors (77917447).

545422073 is an equidigital number, since it uses as much as digits as its factorization.

545422073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77917446.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 545422073 is about 23354.2731207803. The cubic root of 545422073 is about 817.0417263967.

The spelling of 545422073 in words is "five hundred forty-five million, four hundred twenty-two thousand, seventy-three".