545213610233 has 4 divisors (see below), whose sum is σ = 545363521380. Its totient is φ = 545063699088.

The previous prime is 545213610209. The next prime is 545213610247. The reversal of 545213610233 is 332016312545.

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 69483378409 + 475730231824 = 263597^2 + 689732^2 .

It is a cyclic number.

It is not a de Polignac number, because 545213610233 - 2¹² = 545213606137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545213610193 and 545213610202.

It is not an unprimeable number, because it can be changed into a prime (545213610533) 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, 74950118 + ... + 74957391.

It is an arithmetic number, because the mean of its divisors is an integer number (136340880345).

Almost surely, 2^545213610233 is an apocalyptic number.

It is an amenable number.

545213610233 is a deficient number, since it is larger than the sum of its proper divisors (149911147).

545213610233 is a wasteful number, since it uses less digits than its factorization.

545213610233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149911146.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 545213610233 its reverse (332016312545), we get a palindrome (877229922778).

The spelling of 545213610233 in words is "five hundred forty-five billion, two hundred thirteen million, six hundred ten thousand, two hundred thirty-three".