361567 has 4 divisors (see below), whose sum is σ = 362776. Its totient is φ = 360360.

The previous prime is 361561. The next prime is 361577. The reversal of 361567 is 765163.

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-361567 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (90694).

2³⁶¹⁵⁶⁷ is an apocalyptic number.

361567 is a deficient number, since it is larger than the sum of its proper divisors (1209).

361567 is an equidigital number, since it uses as much as digits as its factorization.

361567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its digits is 3780, while the sum is 28.

The square root of 361567 is about 601.3044154170. The cubic root of 361567 is about 71.2409324667.

It can be divided in two parts, 36156 and 7, that added together give a palindrome (36163).

The spelling of 361567 in words is "three hundred sixty-one thousand, five hundred sixty-seven".