545213033513 has 2 divisors, whose sum is σ = 545213033514. Its totient is φ = 545213033512.

The previous prime is 545213033503. The next prime is 545213033543. The reversal of 545213033513 is 315330312545.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 507518034409 + 37694999104 = 712403^2 + 194152^2 .

It is a cyclic number.

It is not a de Polignac number, because 545213033513 - 2³² = 540918066217 is a prime.

It is a super-2 number, since 2×545213033513² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (545213033503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272606516756 + 272606516757.

It is an arithmetic number, because the mean of its divisors is an integer number (272606516757).

Almost surely, 2^545213033513 is an apocalyptic number.

It is an amenable number.

545213033513 is a deficient number, since it is larger than the sum of its proper divisors (1).

545213033513 is an equidigital number, since it uses as much as digits as its factorization.

545213033513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 545213033513 in words is "five hundred forty-five billion, two hundred thirteen million, thirty-three thousand, five hundred thirteen".