513105001 has 4 divisors (see below), whose sum is σ = 520331904. Its totient is φ = 505878100.

The previous prime is 513104989. The next prime is 513105041. The reversal of 513105001 is 100501315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100501315 = 5 ⋅20100263.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513105001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513105041) 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, 3613345 + ... + 3613486.

It is an arithmetic number, because the mean of its divisors is an integer number (130082976).

Almost surely, 2^513105001 is an apocalyptic number.

It is an amenable number.

513105001 is a deficient number, since it is larger than the sum of its proper divisors (7226903).

513105001 is an equidigital number, since it uses as much as digits as its factorization.

513105001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226902.

The product of its (nonzero) digits is 75, while the sum is 16.

The square root of 513105001 is about 22651.8211409149. The cubic root of 513105001 is about 800.5751078188.

Adding to 513105001 its reverse (100501315), we get a palindrome (613606316).

The spelling of 513105001 in words is "five hundred thirteen million, one hundred five thousand, one".