520145050 has 24 divisors (see below), whose sum is σ = 970938972. Its totient is φ = 207312000.

The previous prime is 520144979. The next prime is 520145111. The reversal of 520145050 is 50541025.

It can be written as a sum of positive squares in 6 ways, for example, as 116014441 + 404130609 = 10771^2 + 20103^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4461 + ... + 32560.

Almost surely, 2^520145050 is an apocalyptic number.

520145050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520145050 is a deficient number, since it is larger than the sum of its proper divisors (450793922).

520145050 is a wasteful number, since it uses less digits than its factorization.

520145050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37314 (or 37309 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 520145050 is about 22806.6887118670. The cubic root of 520145050 is about 804.2199148015.

Adding to 520145050 its reverse (50541025), we get a palindrome (570686075).

The spelling of 520145050 in words is "five hundred twenty million, one hundred forty-five thousand, fifty".