545003513 has 4 divisors (see below), whose sum is σ = 545099940. Its totient is φ = 544907088.

The previous prime is 545003507. The next prime is 545003519. The reversal of 545003513 is 315300545.

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

It is an interprime number because it is at equal distance from previous prime (545003507) and next prime (545003519).

It can be written as a sum of positive squares in 2 ways, for example, as 219128809 + 325874704 = 14803^2 + 18052^2 .

It is a cyclic number.

It is not a de Polignac number, because 545003513 - 2⁴ = 545003497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545003519) 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, 39170 + ... + 51227.

It is an arithmetic number, because the mean of its divisors is an integer number (136274985).

Almost surely, 2^545003513 is an apocalyptic number.

It is an amenable number.

545003513 is a deficient number, since it is larger than the sum of its proper divisors (96427).

545003513 is an equidigital number, since it uses as much as digits as its factorization.

545003513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96426.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 545003513 is about 23345.3102999296. The cubic root of 545003513 is about 816.8326720890.

The spelling of 545003513 in words is "five hundred forty-five million, three thousand, five hundred thirteen".