620526852 has 192 divisors, whose sum is σ = 1899878400. Its totient is φ = 173093760.

The previous prime is 620526847. The next prime is 620526869. The reversal of 620526852 is 258625026.

620526852 is a `hidden beast` number, since 620 + 5 + 26 + 8 + 5 + 2 = 666.

620526852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 834793 + ... + 835535.

It is an arithmetic number, because the mean of its divisors is an integer number (9895200).

Almost surely, 2^620526852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620526852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949939200).

620526852 is an abundant number, since it is smaller than the sum of its proper divisors (1279351548).

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

620526852 is a wasteful number, since it uses less digits than its factorization.

620526852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 620526852 is about 24910.3763921784. The cubic root of 620526852 is about 852.9433609677.

The spelling of 620526852 in words is "six hundred twenty million, five hundred twenty-six thousand, eight hundred fifty-two".