361211863 has 2 divisors, whose sum is σ = 361211864. Its totient is φ = 361211862.

The previous prime is 361211819. The next prime is 361211867. The reversal of 361211863 is 368112163.

It is a strong prime.

It is an emirp because it is prime and its reverse (368112163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361211863 - 2⁹ = 361211351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361211867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180605931 + 180605932.

It is an arithmetic number, because the mean of its divisors is an integer number (180605932).

Almost surely, 2^361211863 is an apocalyptic number.

361211863 is a deficient number, since it is larger than the sum of its proper divisors (1).

361211863 is an equidigital number, since it uses as much as digits as its factorization.

361211863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 361211863 is about 19005.5745243336. The cubic root of 361211863 is about 712.1760015759.

The spelling of 361211863 in words is "three hundred sixty-one million, two hundred eleven thousand, eight hundred sixty-three".