520214252 has 12 divisors (see below), whose sum is σ = 911995896. Its totient is φ = 259644000.

The previous prime is 520214251. The next prime is 520214257. The reversal of 520214252 is 252412025.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (520214251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113249 + ... + 117752.

It is an arithmetic number, because the mean of its divisors is an integer number (75999658).

Almost surely, 2^520214252 is an apocalyptic number.

It is an amenable number.

520214252 is a deficient number, since it is larger than the sum of its proper divisors (391781644).

520214252 is a wasteful number, since it uses less digits than its factorization.

520214252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231568 (or 231566 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 520214252 is about 22808.2058040522. The cubic root of 520214252 is about 804.2555786729.

Adding to 520214252 its reverse (252412025), we get a palindrome (772626277).

The spelling of 520214252 in words is "five hundred twenty million, two hundred fourteen thousand, two hundred fifty-two".