363491 has 2 divisors, whose sum is σ = 363492. Its totient is φ = 363490.

The previous prime is 363481. The next prime is 363497. The reversal of 363491 is 194363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 363491 - 2¹⁸ = 101347 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 363491.

It is not a weakly prime, because it can be changed into another prime (363497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181745 + 181746.

It is an arithmetic number, because the mean of its divisors is an integer number (181746).

2³⁶³⁴⁹¹ is an apocalyptic number.

363491 is a deficient number, since it is larger than the sum of its proper divisors (1).

363491 is an equidigital number, since it uses as much as digits as its factorization.

363491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 363491 is about 602.9021479477. The cubic root of 363491 is about 71.3670733527.

The spelling of 363491 in words is "three hundred sixty-three thousand, four hundred ninety-one".