380528293 has 2 divisors, whose sum is σ = 380528294. Its totient is φ = 380528292.

The previous prime is 380528249. The next prime is 380528297. The reversal of 380528293 is 392825083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 366224769 + 14303524 = 19137^2 + 3782^2 .

It is a cyclic number.

It is not a de Polignac number, because 380528293 - 2⁹ = 380527781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380528297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190264146 + 190264147.

It is an arithmetic number, because the mean of its divisors is an integer number (190264147).

Almost surely, 2^380528293 is an apocalyptic number.

It is an amenable number.

380528293 is a deficient number, since it is larger than the sum of its proper divisors (1).

380528293 is an equidigital number, since it uses as much as digits as its factorization.

380528293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 380528293 is about 19507.1344128245. The cubic root of 380528293 is about 724.6511475858.

The spelling of 380528293 in words is "three hundred eighty million, five hundred twenty-eight thousand, two hundred ninety-three".