513120273 has 8 divisors (see below), whose sum is σ = 685787136. Its totient is φ = 341266800.

The previous prime is 513120269. The next prime is 513120323. The reversal of 513120273 is 372021315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513120273 - 2² = 513120269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513120233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201873 + ... + 204398.

It is an arithmetic number, because the mean of its divisors is an integer number (85723392).

Almost surely, 2^513120273 is an apocalyptic number.

It is an amenable number.

513120273 is a deficient number, since it is larger than the sum of its proper divisors (172666863).

513120273 is a wasteful number, since it uses less digits than its factorization.

513120273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406695.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 513120273 is about 22652.1582415451. The cubic root of 513120273 is about 800.5830504828.

Adding to 513120273 its reverse (372021315), we get a palindrome (885141588).

It can be divided in two parts, 513 and 120273, that added together give a triangular number (120786 = T₄₉₁).

The spelling of 513120273 in words is "five hundred thirteen million, one hundred twenty thousand, two hundred seventy-three".