520150628 has 6 divisors (see below), whose sum is σ = 910263606. Its totient is φ = 260075312.

The previous prime is 520150627. The next prime is 520150637. The reversal of 520150628 is 826051025.

It can be written as a sum of positive squares in only one way, i.e., 332405824 + 187744804 = 18232^2 + 13702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520150628.

It is not an unprimeable number, because it can be changed into a prime (520150627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65018825 + ... + 65018832.

It is an arithmetic number, because the mean of its divisors is an integer number (151710601).

Almost surely, 2^520150628 is an apocalyptic number.

It is an amenable number.

520150628 is a deficient number, since it is larger than the sum of its proper divisors (390112978).

520150628 is a wasteful number, since it uses less digits than its factorization.

520150628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130037661 (or 130037659 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 520150628 is about 22806.8110002253. The cubic root of 520150628 is about 804.2227895910. Note that the first 3 decimals are identical.

The spelling of 520150628 in words is "five hundred twenty million, one hundred fifty thousand, six hundred twenty-eight".