620530325 has 12 divisors (see below), whose sum is σ = 771925668. Its totient is φ = 494832000.

The previous prime is 620530303. The next prime is 620530381. The reversal of 620530325 is 523035026.

620530325 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 6 ways, for example, as 67010596 + 553519729 = 8186^2 + 23527^2 .

It is not a de Polignac number, because 620530325 - 2¹² = 620526229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 620530294 and 620530303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31826 + ... + 47475.

It is an arithmetic number, because the mean of its divisors is an integer number (64327139).

Almost surely, 2^620530325 is an apocalyptic number.

It is an amenable number.

620530325 is a deficient number, since it is larger than the sum of its proper divisors (151395343).

620530325 is a wasteful number, since it uses less digits than its factorization.

620530325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79624 (or 79619 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 620530325 is about 24910.4461019870. The cubic root of 620530325 is about 852.9449522320.

The spelling of 620530325 in words is "six hundred twenty million, five hundred thirty thousand, three hundred twenty-five".