520453242 has 16 divisors (see below), whose sum is σ = 1156562880. Its totient is φ = 173484396.

The previous prime is 520453189. The next prime is 520453277. The reversal of 520453242 is 242354025.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4818958 + ... + 4819065.

It is an arithmetic number, because the mean of its divisors is an integer number (72285180).

Almost surely, 2^520453242 is an apocalyptic number.

520453242 is an abundant number, since it is smaller than the sum of its proper divisors (636109638).

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

520453242 is a wasteful number, since it uses less digits than its factorization.

520453242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9638034 (or 9638028 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 520453242 is about 22813.4443256603. Note that the first 3 decimals coincide. The cubic root of 520453242 is about 804.3787199963.

The spelling of 520453242 in words is "five hundred twenty million, four hundred fifty-three thousand, two hundred forty-two".