520627572 has 36 divisors (see below), whose sum is σ = 1330825860. Its totient is φ = 171591552.

The previous prime is 520627571. The next prime is 520627573. The reversal of 520627572 is 275726025.

520627572 is a `hidden beast` number, since 5 + 20 + 62 + 7 + 572 = 666.

It is an interprime number because it is at equal distance from previous prime (520627571) and next prime (520627573).

It can be written as a sum of positive squares in 2 ways, for example, as 42068196 + 478559376 = 6486^2 + 21876^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520627571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78043 + ... + 84450.

It is an arithmetic number, because the mean of its divisors is an integer number (36967385).

Almost surely, 2^520627572 is an apocalyptic number.

It is an amenable number.

520627572 is an abundant number, since it is smaller than the sum of its proper divisors (810198288).

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

520627572 is a wasteful number, since it uses less digits than its factorization.

520627572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162592 (or 162587 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 520627572 is about 22817.2647791097. The cubic root of 520627572 is about 804.4685210114.

The spelling of 520627572 in words is "five hundred twenty million, six hundred twenty-seven thousand, five hundred seventy-two".