513354004253 has 4 divisors (see below), whose sum is σ = 513361724988. Its totient is φ = 513346283520.

The previous prime is 513354004183. The next prime is 513354004279. The reversal of 513354004253 is 352400453315.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 304027623769 + 209326380484 = 551387^2 + 457522^2 .

It is a cyclic number.

It is not a de Polignac number, because 513354004253 - 2⁸ = 513354003997 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 (513354000253) 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, 3759758 + ... + 3893903.

It is an arithmetic number, because the mean of its divisors is an integer number (128340431247).

Almost surely, 2^513354004253 is an apocalyptic number.

It is an amenable number.

513354004253 is a deficient number, since it is larger than the sum of its proper divisors (7720735).

513354004253 is an equidigital number, since it uses as much as digits as its factorization.

513354004253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7720734.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 513354004253 its reverse (352400453315), we get a palindrome (865754457568).

The spelling of 513354004253 in words is "five hundred thirteen billion, three hundred fifty-four million, four thousand, two hundred fifty-three".