513450053 has 4 divisors (see below), whose sum is σ = 540473760. Its totient is φ = 486426348.

The previous prime is 513450029. The next prime is 513450071. The reversal of 513450053 is 350054315.

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.

It is a cyclic number.

It is not a de Polignac number, because 513450053 - 2¹⁰ = 513449029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513450023) 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 3 ways as a sum of consecutive naturals, for example, 13511825 + ... + 13511862.

It is an arithmetic number, because the mean of its divisors is an integer number (135118440).

Almost surely, 2^513450053 is an apocalyptic number.

It is an amenable number.

513450053 is a deficient number, since it is larger than the sum of its proper divisors (27023707).

513450053 is a wasteful number, since it uses less digits than its factorization.

513450053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27023706.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 513450053 is about 22659.4362904288. The cubic root of 513450053 is about 800.7545240805.

The spelling of 513450053 in words is "five hundred thirteen million, four hundred fifty thousand, fifty-three".