521045150 has 12 divisors (see below), whose sum is σ = 969144072. Its totient is φ = 208418040.

The previous prime is 521045143. The next prime is 521045191. The reversal of 521045150 is 51540125.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5210402 + ... + 5210501.

It is an arithmetic number, because the mean of its divisors is an integer number (80762006).

Almost surely, 2^521045150 is an apocalyptic number.

521045150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

521045150 is a deficient number, since it is larger than the sum of its proper divisors (448098922).

521045150 is a wasteful number, since it uses less digits than its factorization.

521045150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10420915 (or 10420910 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 521045150 is about 22826.4134283071. The cubic root of 521045150 is about 804.6835426519.

Adding to 521045150 its reverse (51540125), we get a palindrome (572585275).

The spelling of 521045150 in words is "five hundred twenty-one million, forty-five thousand, one hundred fifty".