653270647 has 2 divisors, whose sum is σ = 653270648. Its totient is φ = 653270646.

The previous prime is 653270627. The next prime is 653270677. The reversal of 653270647 is 746072356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653270647 - 2¹⁹ = 652746359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653270627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326635323 + 326635324.

It is an arithmetic number, because the mean of its divisors is an integer number (326635324).

Almost surely, 2^653270647 is an apocalyptic number.

653270647 is a deficient number, since it is larger than the sum of its proper divisors (1).

653270647 is an equidigital number, since it uses as much as digits as its factorization.

653270647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 653270647 is about 25559.1597475347. The cubic root of 653270647 is about 867.6895789999.

The spelling of 653270647 in words is "six hundred fifty-three million, two hundred seventy thousand, six hundred forty-seven".