372213 has 6 divisors (see below), whose sum is σ = 537654. Its totient is φ = 248136.

The previous prime is 372179. The next prime is 372223. The reversal of 372213 is 312273.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 33489 = 582^2 + 183^2 .

It is not a de Polignac number, because 372213 - 2⁶ = 372149 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20670 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (89609).

2³⁷²²¹³ is an apocalyptic number.

It is an amenable number.

372213 is a deficient number, since it is larger than the sum of its proper divisors (165441).

372213 is a wasteful number, since it uses less digits than its factorization.

372213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41363 (or 41360 counting only the distinct ones).

The product of its digits is 252, while the sum is 18.

The square root of 372213 is about 610.0926159199. The cubic root of 372213 is about 71.9333874649.

Adding to 372213 its reverse (312273), we get a palindrome (684486).

It can be divided in two parts, 372 and 213, that added together give a palindrome (585).

The spelling of 372213 in words is "three hundred seventy-two thousand, two hundred thirteen".