513182101 has 4 divisors (see below), whose sum is σ = 513312652. Its totient is φ = 513051552.

The previous prime is 513182071. The next prime is 513182161. The reversal of 513182101 is 101281315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101281315 = 5 ⋅20256263.

It can be written as a sum of positive squares in 2 ways, for example, as 345997201 + 167184900 = 18601^2 + 12930^2 .

It is a cyclic number.

It is not a de Polignac number, because 513182101 - 2¹³ = 513173909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513182161) 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, 59190 + ... + 67303.

It is an arithmetic number, because the mean of its divisors is an integer number (128328163).

Almost surely, 2^513182101 is an apocalyptic number.

It is an amenable number.

513182101 is a deficient number, since it is larger than the sum of its proper divisors (130551).

513182101 is a wasteful number, since it uses less digits than its factorization.

513182101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130550.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 513182101 is about 22653.5229269092. The cubic root of 513182101 is about 800.6152043873.

The spelling of 513182101 in words is "five hundred thirteen million, one hundred eighty-two thousand, one hundred one".