520531214 has 12 divisors (see below), whose sum is σ = 908274024. Its totient is φ = 223084764.

The previous prime is 520531213. The next prime is 520531247. The reversal of 520531214 is 412135025.

It is a self number, because there is not a number n which added to its sum of digits gives 520531214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520531213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2655674 + ... + 2655869.

It is an arithmetic number, because the mean of its divisors is an integer number (75689502).

Almost surely, 2^520531214 is an apocalyptic number.

520531214 is a deficient number, since it is larger than the sum of its proper divisors (387742810).

520531214 is a wasteful number, since it uses less digits than its factorization.

520531214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311559 (or 5311552 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 520531214 is about 22815.1531662621. The cubic root of 520531214 is about 804.4188874764.

Adding to 520531214 its reverse (412135025), we get a palindrome (932666239).

The spelling of 520531214 in words is "five hundred twenty million, five hundred thirty-one thousand, two hundred fourteen".