361361263 has 4 divisors (see below), whose sum is σ = 361404648. Its totient is φ = 361317880.

The previous prime is 361361227. The next prime is 361361279. The reversal of 361361263 is 362163163.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-361361263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361391263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828 + ... + 27313.

It is an arithmetic number, because the mean of its divisors is an integer number (90351162).

Almost surely, 2^361361263 is an apocalyptic number.

361361263 is a deficient number, since it is larger than the sum of its proper divisors (43385).

361361263 is a wasteful number, since it uses less digits than its factorization.

361361263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43384.

The product of its digits is 11664, while the sum is 31.

The square root of 361361263 is about 19009.5045437802. The cubic root of 361361263 is about 712.2741751962.

The spelling of 361361263 in words is "three hundred sixty-one million, three hundred sixty-one thousand, two hundred sixty-three".