361215 has 24 divisors (see below), whose sum is σ = 655200. Its totient is φ = 183744.

The previous prime is 361213. The next prime is 361217. The reversal of 361215 is 512163.

It is an interprime number because it is at equal distance from previous prime (361213) and next prime (361217).

It is not a de Polignac number, because 361215 - 2¹ = 361213 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 361215.

It is not an unprimeable number, because it can be changed into a prime (361211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 861 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (27300).

2³⁶¹²¹⁵ is an apocalyptic number.

361215 is a deficient number, since it is larger than the sum of its proper divisors (293985).

361215 is a wasteful number, since it uses less digits than its factorization.

361215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383 (or 380 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 361215 is about 601.0116471417. The cubic root of 361215 is about 71.2178063237.

Adding to 361215 its reverse (512163), we get a palindrome (873378).

It can be divided in two parts, 361 and 215, that added together give a square (576 = 24²).

The spelling of 361215 in words is "three hundred sixty-one thousand, two hundred fifteen".