361249 has 4 divisors (see below), whose sum is σ = 412864. Its totient is φ = 309636.

The previous prime is 361241. The next prime is 361271. The reversal of 361249 is 942163.

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 361249 - 2³ = 361241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (361241) 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, 25797 + ... + 25810.

It is an arithmetic number, because the mean of its divisors is an integer number (103216).

2³⁶¹²⁴⁹ is an apocalyptic number.

It is an amenable number.

361249 is a deficient number, since it is larger than the sum of its proper divisors (51615).

361249 is an equidigital number, since it uses as much as digits as its factorization.

361249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51614.

The product of its digits is 1296, while the sum is 25.

The square root of 361249 is about 601.0399321177. The cubic root of 361249 is about 71.2200407542.

Subtracting from 361249 its product of digits (1296), we obtain a palindrome (359953).

The spelling of 361249 in words is "three hundred sixty-one thousand, two hundred forty-nine".