213454 has 4 divisors (see below), whose sum is σ = 320184. Its totient is φ = 106726.

The previous prime is 213449. The next prime is 213461. The reversal of 213454 is 454312.

213454 is nontrivially palindromic in base 12.

213454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×213454² = 91125220232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53362 + ... + 53365.

It is an arithmetic number, because the mean of its divisors is an integer number (80046).

2²¹³⁴⁵⁴ is an apocalyptic number.

213454 is a deficient number, since it is larger than the sum of its proper divisors (106730).

213454 is a wasteful number, since it uses less digits than its factorization.

213454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106729.

The product of its digits is 480, while the sum is 19.

The square root of 213454 is about 462.0108223841. The cubic root of 213454 is about 59.7633269176.

Adding to 213454 its reverse (454312), we get a palindrome (667766).

It can be divided in two parts, 2 and 13454, that added together give a square (13456 = 116²).

The spelling of 213454 in words is "two hundred thirteen thousand, four hundred fifty-four".