382740497 has 2 divisors, whose sum is σ = 382740498. Its totient is φ = 382740496.

The previous prime is 382740487. The next prime is 382740559. The reversal of 382740497 is 794047283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292033921 + 90706576 = 17089^2 + 9524^2 .

It is an emirp because it is prime and its reverse (794047283) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 382740497 - 2⁶ = 382740433 is a prime.

It is not a weakly prime, because it can be changed into another prime (382740487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191370248 + 191370249.

It is an arithmetic number, because the mean of its divisors is an integer number (191370249).

Almost surely, 2^382740497 is an apocalyptic number.

It is an amenable number.

382740497 is a deficient number, since it is larger than the sum of its proper divisors (1).

382740497 is an equidigital number, since it uses as much as digits as its factorization.

382740497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 382740497 is about 19563.7546754195. The cubic root of 382740497 is about 726.0526900315.

The spelling of 382740497 in words is "three hundred eighty-two million, seven hundred forty thousand, four hundred ninety-seven".