361522 has 32 divisors (see below), whose sum is σ = 691200. Its totient is φ = 141120.

The previous prime is 361511. The next prime is 361523. The reversal of 361522 is 225163.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 361522.

It is not an unprimeable number, because it can be changed into a prime (361523) by changing a digit.

361522 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 11647 + ... + 11677.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2³⁶¹⁵²² is an apocalyptic number.

361522 is a deficient number, since it is larger than the sum of its proper divisors (329678).

361522 is a wasteful number, since it uses less digits than its factorization.

361522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 57 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 361522 is about 601.2669956018. The cubic root of 361522 is about 71.2379768365.

Adding to 361522 its reverse (225163), we get a palindrome (586685).

The spelling of 361522 in words is "three hundred sixty-one thousand, five hundred twenty-two".