545986013 has 2 divisors, whose sum is σ = 545986014. Its totient is φ = 545986012.

The previous prime is 545985989. The next prime is 545986027. The reversal of 545986013 is 310689545.

545986013 = 16522² + 16523².

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 273009529 + 272976484 = 16523^2 + 16522^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545986013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545986073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272993006 + 272993007.

It is an arithmetic number, because the mean of its divisors is an integer number (272993007).

Almost surely, 2^545986013 is an apocalyptic number.

545986013 is the 16523-rd centered square number.

It is an amenable number.

545986013 is a deficient number, since it is larger than the sum of its proper divisors (1).

545986013 is an equidigital number, since it uses as much as digits as its factorization.

545986013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 545986013 is about 23366.3435950086. The cubic root of 545986013 is about 817.3232232552.

The spelling of 545986013 in words is "five hundred forty-five million, nine hundred eighty-six thousand, thirteen".