385588613 has 2 divisors, whose sum is σ = 385588614. Its totient is φ = 385588612.

The previous prime is 385588591. The next prime is 385588627. The reversal of 385588613 is 316885583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246395809 + 139192804 = 15697^2 + 11798^2 .

It is a cyclic number.

It is not a de Polignac number, because 385588613 - 2¹⁰ = 385587589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (385588213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192794306 + 192794307.

It is an arithmetic number, because the mean of its divisors is an integer number (192794307).

Almost surely, 2^385588613 is an apocalyptic number.

It is an amenable number.

385588613 is a deficient number, since it is larger than the sum of its proper divisors (1).

385588613 is an equidigital number, since it uses as much as digits as its factorization.

385588613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 47.

The square root of 385588613 is about 19636.4103898854. The cubic root of 385588613 is about 727.8491849615.

The spelling of 385588613 in words is "three hundred eighty-five million, five hundred eighty-eight thousand, six hundred thirteen".