6570421253 has 8 divisors (see below), whose sum is σ = 7168322880. Its totient is φ = 5972618080.

The previous prime is 6570421243. The next prime is 6570421271. The reversal of 6570421253 is 3521240756.

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

It is not a de Polignac number, because 6570421253 - 2²⁴ = 6553644037 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 (6570421213) 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, 225368 + ... + 252846.

It is an arithmetic number, because the mean of its divisors is an integer number (896040360).

Almost surely, 2^6570421253 is an apocalyptic number.

It is an amenable number.

6570421253 is a deficient number, since it is larger than the sum of its proper divisors (597901627).

6570421253 is a wasteful number, since it uses less digits than its factorization.

6570421253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49227.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 6570421253 is about 81058.1350204901. The cubic root of 6570421253 is about 1872.9710796743.

The spelling of 6570421253 in words is "six billion, five hundred seventy million, four hundred twenty-one thousand, two hundred fifty-three".