384935513 has 2 divisors, whose sum is σ = 384935514. Its totient is φ = 384935512.

The previous prime is 384935443. The next prime is 384935533. The reversal of 384935513 is 315539483.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269222464 + 115713049 = 16408^2 + 10757^2 .

It is a cyclic number.

It is not a de Polignac number, because 384935513 - 2¹⁰ = 384934489 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (384935533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192467756 + 192467757.

It is an arithmetic number, because the mean of its divisors is an integer number (192467757).

Almost surely, 2^384935513 is an apocalyptic number.

It is an amenable number.

384935513 is a deficient number, since it is larger than the sum of its proper divisors (1).

384935513 is an equidigital number, since it uses as much as digits as its factorization.

384935513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 41.

The square root of 384935513 is about 19619.7735206093. The cubic root of 384935513 is about 727.4380153690.

The spelling of 384935513 in words is "three hundred eighty-four million, nine hundred thirty-five thousand, five hundred thirteen".