361633 has 4 divisors (see below), whose sum is σ = 365248. Its totient is φ = 358020.

The previous prime is 361577. The next prime is 361637. The reversal of 361633 is 336163.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361633 - 2¹⁷ = 230561 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (361637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653 + ... + 1858.

It is an arithmetic number, because the mean of its divisors is an integer number (91312).

2³⁶¹⁶³³ is an apocalyptic number.

It is an amenable number.

361633 is a deficient number, since it is larger than the sum of its proper divisors (3615).

361633 is a wasteful number, since it uses less digits than its factorization.

361633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614.

The product of its digits is 972, while the sum is 22.

The square root of 361633 is about 601.3592936008. The cubic root of 361633 is about 71.2452669473.

Adding to 361633 its reverse (336163), we get a palindrome (697796).

The spelling of 361633 in words is "three hundred sixty-one thousand, six hundred thirty-three".