620536500 has 144 divisors (see below), whose sum is σ = 1985452560. Its totient is φ = 163123200.

The previous prime is 620536487. The next prime is 620536531. The reversal of 620536500 is 5635026.

620536500 is a `hidden beast` number, since 6 + 2 + 0 + 5 + 3 + 650 + 0 = 666.

620536500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 186814224 + 433722276 = 13668^2 + 20826^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 327556 + ... + 329444.

It is an arithmetic number, because the mean of its divisors is an integer number (13787865).

Almost surely, 2^620536500 is an apocalyptic number.

620536500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620536500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (992726280).

620536500 is an abundant number, since it is smaller than the sum of its proper divisors (1364916060).

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

620536500 is a wasteful number, since it uses less digits than its factorization.

620536500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 620536500 is about 24910.5700456654. The cubic root of 620536500 is about 852.9477814881.

The spelling of 620536500 in words is "six hundred twenty million, five hundred thirty-six thousand, five hundred".