545215132013 has 4 divisors (see below), whose sum is σ = 545787236988. Its totient is φ = 544643027040.

The previous prime is 545215132003. The next prime is 545215132061. The reversal of 545215132013 is 310231512545.

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 337518007369 + 207697124644 = 580963^2 + 455738^2 .

It is a cyclic number.

It is not a de Polignac number, because 545215132013 - 2²⁰ = 545214083437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545215132003) 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, 286051058 + ... + 286052963.

It is an arithmetic number, because the mean of its divisors is an integer number (136446809247).

Almost surely, 2^545215132013 is an apocalyptic number.

It is an amenable number.

545215132013 is a deficient number, since it is larger than the sum of its proper divisors (572104975).

545215132013 is an equidigital number, since it uses as much as digits as its factorization.

545215132013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572104974.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 545215132013 its reverse (310231512545), we get a palindrome (855446644558).

The spelling of 545215132013 in words is "five hundred forty-five billion, two hundred fifteen million, one hundred thirty-two thousand, thirteen".