521314 has 8 divisors (see below), whose sum is σ = 785628. Its totient is φ = 259440.

The previous prime is 521309. The next prime is 521317. The reversal of 521314 is 413125.

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 7225 = 717^2 + 85^2 .

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

It is not an unprimeable number, because it can be changed into a prime (521317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 1024.

2⁵²¹³¹⁴ is an apocalyptic number.

521314 is a deficient number, since it is larger than the sum of its proper divisors (264314).

521314 is a wasteful number, since it uses less digits than its factorization.

521314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220.

The product of its digits is 120, while the sum is 16.

The square root of 521314 is about 722.0207753244. The cubic root of 521314 is about 80.4821919638.

Adding to 521314 its reverse (413125), we get a palindrome (934439).

The spelling of 521314 in words is "five hundred twenty-one thousand, three hundred fourteen".