361490497 has 2 divisors, whose sum is σ = 361490498. Its totient is φ = 361490496.

The previous prime is 361490419. The next prime is 361490501. The reversal of 361490497 is 794094163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184307776 + 177182721 = 13576^2 + 13311^2 .

It is an emirp because it is prime and its reverse (794094163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361490497 is a prime.

It is not a weakly prime, because it can be changed into another prime (361430497) 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, 180745248 + 180745249.

It is an arithmetic number, because the mean of its divisors is an integer number (180745249).

Almost surely, 2^361490497 is an apocalyptic number.

It is an amenable number.

361490497 is a deficient number, since it is larger than the sum of its proper divisors (1).

361490497 is an equidigital number, since it uses as much as digits as its factorization.

361490497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 361490497 is about 19012.9034342470. The cubic root of 361490497 is about 712.3590755245.

The spelling of 361490497 in words is "three hundred sixty-one million, four hundred ninety thousand, four hundred ninety-seven".