213562 has 4 divisors (see below), whose sum is σ = 320346. Its totient is φ = 106780.

The previous prime is 213557. The next prime is 213589. The reversal of 213562 is 265312.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 128881 + 84681 = 359^2 + 291^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53389 + ... + 53392.

2²¹³⁵⁶² is an apocalyptic number.

213562 is a deficient number, since it is larger than the sum of its proper divisors (106784).

213562 is a wasteful number, since it uses less digits than its factorization.

213562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106783.

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

The square root of 213562 is about 462.1276879824. The cubic root of 213562 is about 59.7734045785.

Adding to 213562 its reverse (265312), we get a palindrome (478874).

It can be divided in two parts, 2135 and 62, that added together give a cube (2197 = 13³).

The spelling of 213562 in words is "two hundred thirteen thousand, five hundred sixty-two".