520316252 has 6 divisors (see below), whose sum is σ = 910553448. Its totient is φ = 260158124.

The previous prime is 520316249. The next prime is 520316257. The reversal of 520316252 is 252613025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520316257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65039528 + ... + 65039535.

It is an arithmetic number, because the mean of its divisors is an integer number (151758908).

Almost surely, 2^520316252 is an apocalyptic number.

It is an amenable number.

520316252 is a deficient number, since it is larger than the sum of its proper divisors (390237196).

520316252 is a wasteful number, since it uses less digits than its factorization.

520316252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130079067 (or 130079065 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 520316252 is about 22810.4417318034. The cubic root of 520316252 is about 804.3081395218.

Adding to 520316252 its reverse (252613025), we get a palindrome (772929277).

The spelling of 520316252 in words is "five hundred twenty million, three hundred sixteen thousand, two hundred fifty-two".