520350350 has 24 divisors (see below), whose sum is σ = 1042303080. Its totient is φ = 192129120.

The previous prime is 520350349. The next prime is 520350403. The reversal of 520350350 is 53053025.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 399620 + ... + 400919.

It is an arithmetic number, because the mean of its divisors is an integer number (43429295).

Almost surely, 2^520350350 is an apocalyptic number.

520350350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520350350 is an abundant number, since it is smaller than the sum of its proper divisors (521952730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520350350 is a wasteful number, since it uses less digits than its factorization.

520350350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800564 (or 800559 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 520350350 is about 22811.1891404197. The cubic root of 520350350 is about 804.3257087724.

The spelling of 520350350 in words is "five hundred twenty million, three hundred fifty thousand, three hundred fifty".