521214 has 8 divisors (see below), whose sum is σ = 1042440. Its totient is φ = 173736.

The previous prime is 521201. The next prime is 521231. The reversal of 521214 is 412125.

It is a sphenic number, since it is the product of 3 distinct primes.

521214 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 521193 and 521202.

It is a congruent number.

It is an unprimeable number.

521214 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43429 + ... + 43440.

It is an arithmetic number, because the mean of its divisors is an integer number (130305).

2⁵²¹²¹⁴ is an apocalyptic number.

521214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521214 is a wasteful number, since it uses less digits than its factorization.

521214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86874.

The product of its digits is 80, while the sum is 15.

The square root of 521214 is about 721.9515219182. The cubic root of 521214 is about 80.4770455236.

Adding to 521214 its reverse (412125), we get a palindrome (933339).

It can be divided in two parts, 52121 and 4, that added together give a palindrome (52125).

The spelling of 521214 in words is "five hundred twenty-one thousand, two hundred fourteen".