521433314 has 4 divisors (see below), whose sum is σ = 782149974. Its totient is φ = 260716656.

The previous prime is 521433313. The next prime is 521433331. The reversal of 521433314 is 413334125.

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., 516789289 + 4644025 = 22733^2 + 2155^2 .

It is not an unprimeable number, because it can be changed into a prime (521433313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130358327 + ... + 130358330.

Almost surely, 2^521433314 is an apocalyptic number.

521433314 is a deficient number, since it is larger than the sum of its proper divisors (260716660).

521433314 is a wasteful number, since it uses less digits than its factorization.

521433314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260716659.

The product of its digits is 4320, while the sum is 26.

The square root of 521433314 is about 22834.9143637545. The cubic root of 521433314 is about 804.8833152633.

Adding to 521433314 its reverse (413334125), we get a palindrome (934767439).

The spelling of 521433314 in words is "five hundred twenty-one million, four hundred thirty-three thousand, three hundred fourteen".