513201005 has 4 divisors (see below), whose sum is σ = 615841212. Its totient is φ = 410560800.

The previous prime is 513200999. The next prime is 513201019. The reversal of 513201005 is 500102315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500102315 = 5 ⋅100020463.

It can be written as a sum of positive squares in 2 ways, for example, as 90364036 + 422836969 = 9506^2 + 20563^2 .

It is a de Polignac number, because none of the positive numbers 2^k-513201005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51320096 + ... + 51320105.

It is an arithmetic number, because the mean of its divisors is an integer number (153960303).

Almost surely, 2^513201005 is an apocalyptic number.

It is an amenable number.

513201005 is a deficient number, since it is larger than the sum of its proper divisors (102640207).

513201005 is a wasteful number, since it uses less digits than its factorization.

513201005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102640206.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 513201005 is about 22653.9401650132. The cubic root of 513201005 is about 800.6250349744.

It can be divided in two parts, 51320 and 1005, that added together give a palindrome (52325).

The spelling of 513201005 in words is "five hundred thirteen million, two hundred one thousand, five".