513453 has 8 divisors (see below), whose sum is σ = 706816. Its totient is φ = 331200.

The previous prime is 513439. The next prime is 513473. The reversal of 513453 is 354315.

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

It is not a de Polignac number, because 513453 - 2¹⁰ = 512429 is a prime.

It is a Duffinian number.

513453 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513473) 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, 2668 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (88352).

2⁵¹³⁴⁵³ is an apocalyptic number.

It is an amenable number.

513453 is a deficient number, since it is larger than the sum of its proper divisors (193363).

513453 is a wasteful number, since it uses less digits than its factorization.

513453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555.

The product of its digits is 900, while the sum is 21.

The square root of 513453 is about 716.5563480983. The cubic root of 513453 is about 80.0756056082.

Adding to 513453 its reverse (354315), we get a palindrome (867768).

The spelling of 513453 in words is "five hundred thirteen thousand, four hundred fifty-three".