545396497 has 4 divisors (see below), whose sum is σ = 546859060. Its totient is φ = 543933936.

The previous prime is 545396483. The next prime is 545396503. The reversal of 545396497 is 794693545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334304656 + 211091841 = 18284^2 + 14529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545396497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545396407) 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, 730722 + ... + 731467.

It is an arithmetic number, because the mean of its divisors is an integer number (136714765).

Almost surely, 2^545396497 is an apocalyptic number.

It is an amenable number.

545396497 is a deficient number, since it is larger than the sum of its proper divisors (1462563).

545396497 is a wasteful number, since it uses less digits than its factorization.

545396497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462562.

The product of its digits is 4082400, while the sum is 52.

The square root of 545396497 is about 23353.7255486143. The cubic root of 545396497 is about 817.0289552562.

The spelling of 545396497 in words is "five hundred forty-five million, three hundred ninety-six thousand, four hundred ninety-seven".