520253622 has 96 divisors (see below), whose sum is σ = 1338854400. Its totient is φ = 142919424.

The previous prime is 520253609. The next prime is 520253623. The reversal of 520253622 is 226352025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520253623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 348654 + ... + 350142.

It is an arithmetic number, because the mean of its divisors is an integer number (13946400).

Almost surely, 2^520253622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520253622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669427200).

520253622 is an abundant number, since it is smaller than the sum of its proper divisors (818600778).

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

520253622 is a wasteful number, since it uses less digits than its factorization.

520253622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 520253622 is about 22809.0688542957. The cubic root of 520253622 is about 804.2758669441.

The spelling of 520253622 in words is "five hundred twenty million, two hundred fifty-three thousand, six hundred twenty-two".