424653613 has 2 divisors, whose sum is σ = 424653614. Its totient is φ = 424653612.

The previous prime is 424653611. The next prime is 424653637. The reversal of 424653613 is 316356424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422795844 + 1857769 = 20562^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 424653613 - 2¹ = 424653611 is a prime.

Together with 424653611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424653611) 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, 212326806 + 212326807.

It is an arithmetic number, because the mean of its divisors is an integer number (212326807).

Almost surely, 2^424653613 is an apocalyptic number.

It is an amenable number.

424653613 is a deficient number, since it is larger than the sum of its proper divisors (1).

424653613 is an equidigital number, since it uses as much as digits as its factorization.

424653613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 34.

The square root of 424653613 is about 20607.1252968482. The cubic root of 424653613 is about 751.6429836596.

The spelling of 424653613 in words is "four hundred twenty-four million, six hundred fifty-three thousand, six hundred thirteen".