520322252 has 6 divisors (see below), whose sum is σ = 910563948. Its totient is φ = 260161124.

The previous prime is 520322251. The next prime is 520322287. The reversal of 520322252 is 252223025.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (520322251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65040278 + ... + 65040285.

It is an arithmetic number, because the mean of its divisors is an integer number (151760658).

Almost surely, 2^520322252 is an apocalyptic number.

It is an amenable number.

520322252 is a deficient number, since it is larger than the sum of its proper divisors (390241696).

520322252 is a wasteful number, since it uses less digits than its factorization.

520322252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130080567 (or 130080565 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 520322252 is about 22810.5732501399. The cubic root of 520322252 is about 804.3112311225.

Adding to 520322252 its reverse (252223025), we get a palindrome (772545277).

The spelling of 520322252 in words is "five hundred twenty million, three hundred twenty-two thousand, two hundred fifty-two".