520315322 has 4 divisors (see below), whose sum is σ = 780472986. Its totient is φ = 260157660.

The previous prime is 520315321. The next prime is 520315331. The reversal of 520315322 is 223513025.

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., 509811241 + 10504081 = 22579^2 + 3241^2 .

It is not an unprimeable number, because it can be changed into a prime (520315321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130078829 + ... + 130078832.

Almost surely, 2^520315322 is an apocalyptic number.

520315322 is a deficient number, since it is larger than the sum of its proper divisors (260157664).

520315322 is a wasteful number, since it uses less digits than its factorization.

520315322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260157663.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 520315322 is about 22810.4213463934. The cubic root of 520315322 is about 804.3076603216.

Adding to 520315322 its reverse (223513025), we get a palindrome (743828347).

The spelling of 520315322 in words is "five hundred twenty million, three hundred fifteen thousand, three hundred twenty-two".