380504513 has 2 divisors, whose sum is σ = 380504514. Its totient is φ = 380504512.

The previous prime is 380504483. The next prime is 380504521. The reversal of 380504513 is 315405083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244828609 + 135675904 = 15647^2 + 11648^2 .

It is a cyclic number.

It is not a de Polignac number, because 380504513 - 2¹⁶ = 380438977 is a prime.

It is not a weakly prime, because it can be changed into another prime (380504533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190252256 + 190252257.

It is an arithmetic number, because the mean of its divisors is an integer number (190252257).

Almost surely, 2^380504513 is an apocalyptic number.

It is an amenable number.

380504513 is a deficient number, since it is larger than the sum of its proper divisors (1).

380504513 is an equidigital number, since it uses as much as digits as its factorization.

380504513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 380504513 is about 19506.5248827155. The cubic root of 380504513 is about 724.6360522884.

Adding to 380504513 its reverse (315405083), we get a palindrome (695909596).

The spelling of 380504513 in words is "three hundred eighty million, five hundred four thousand, five hundred thirteen".