513442005 has 16 divisors (see below), whose sum is σ = 837008640. Its totient is φ = 268668608.

The previous prime is 513442003. The next prime is 513442009. The reversal of 513442005 is 500244315.

It is a cyclic number.

It is not a de Polignac number, because 513442005 - 2¹ = 513442003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513442003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 322125 + ... + 323714.

It is an arithmetic number, because the mean of its divisors is an integer number (52313040).

Almost surely, 2^513442005 is an apocalyptic number.

It is an amenable number.

513442005 is a deficient number, since it is larger than the sum of its proper divisors (323566635).

513442005 is a wasteful number, since it uses less digits than its factorization.

513442005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645900.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 513442005 is about 22659.2587036734. The cubic root of 513442005 is about 800.7503402876.

The spelling of 513442005 in words is "five hundred thirteen million, four hundred forty-two thousand, five".