6503326253 has 4 divisors (see below), whose sum is σ = 6592412988. Its totient is φ = 6414239520.

The previous prime is 6503326237. The next prime is 6503326259. The reversal of 6503326253 is 3526233056.

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 5458549924 + 1044776329 = 73882^2 + 32323^2 .

It is a cyclic number.

It is not a de Polignac number, because 6503326253 - 2⁴ = 6503326237 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 (6503326259) 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, 44543258 + ... + 44543403.

It is an arithmetic number, because the mean of its divisors is an integer number (1648103247).

Almost surely, 2^6503326253 is an apocalyptic number.

It is an amenable number.

6503326253 is a deficient number, since it is larger than the sum of its proper divisors (89086735).

6503326253 is an equidigital number, since it uses as much as digits as its factorization.

6503326253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89086734.

The product of its (nonzero) digits is 97200, while the sum is 35.

The square root of 6503326253 is about 80643.2033899944. The cubic root of 6503326253 is about 1866.5738645438.

The spelling of 6503326253 in words is "six billion, five hundred three million, three hundred twenty-six thousand, two hundred fifty-three".