361243 has 8 divisors (see below), whose sum is σ = 382976. Its totient is φ = 340200.

The previous prime is 361241. The next prime is 361271. The reversal of 361243 is 342163.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 361243 - 2¹ = 361241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 361243.

It is not an unprimeable number, because it can be changed into a prime (361241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (47872).

2³⁶¹²⁴³ is an apocalyptic number.

361243 is a deficient number, since it is larger than the sum of its proper divisors (21733).

361243 is a wasteful number, since it uses less digits than its factorization.

361243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 432, while the sum is 19.

The square root of 361243 is about 601.0349407480. The cubic root of 361243 is about 71.2196464532.

Adding to 361243 its product of digits (432), we get a triangular number (361675 = T₈₅₀).

It can be divided in two parts, 3612 and 43, that added together give a triangular number (3655 = T₈₅).

The spelling of 361243 in words is "three hundred sixty-one thousand, two hundred forty-three".