382705523 has 2 divisors, whose sum is σ = 382705524. Its totient is φ = 382705522.

The previous prime is 382705511. The next prime is 382705559. The reversal of 382705523 is 325507283.

It is a weak prime.

It is an emirp because it is prime and its reverse (325507283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382705523 - 2⁴ = 382705507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (382705573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191352761 + 191352762.

It is an arithmetic number, because the mean of its divisors is an integer number (191352762).

Almost surely, 2^382705523 is an apocalyptic number.

382705523 is a deficient number, since it is larger than the sum of its proper divisors (1).

382705523 is an equidigital number, since it uses as much as digits as its factorization.

382705523 is an evil number, because the sum of its binary digits is even.

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

The square root of 382705523 is about 19562.8608081742. The cubic root of 382705523 is about 726.0305743157.

The spelling of 382705523 in words is "three hundred eighty-two million, seven hundred five thousand, five hundred twenty-three".