382978529 has 2 divisors, whose sum is σ = 382978530. Its totient is φ = 382978528.

The previous prime is 382978507. The next prime is 382978549. The reversal of 382978529 is 925879283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 379470400 + 3508129 = 19480^2 + 1873^2 .

It is a cyclic number.

It is not a de Polignac number, because 382978529 - 2⁸ = 382978273 is a prime.

It is not a weakly prime, because it can be changed into another prime (382978549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191489264 + 191489265.

It is an arithmetic number, because the mean of its divisors is an integer number (191489265).

Almost surely, 2^382978529 is an apocalyptic number.

It is an amenable number.

382978529 is a deficient number, since it is larger than the sum of its proper divisors (1).

382978529 is an equidigital number, since it uses as much as digits as its factorization.

382978529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 382978529 is about 19569.8372246680. The cubic root of 382978529 is about 726.2031731573.

The spelling of 382978529 in words is "three hundred eighty-two million, nine hundred seventy-eight thousand, five hundred twenty-nine".