620504425 has 12 divisors (see below), whose sum is σ = 775303056. Its totient is φ = 492611600.

The previous prime is 620504399. The next prime is 620504447. The reversal of 620504425 is 524405026.

620504425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620504425 - 2¹⁷ = 620373353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620504393 and 620504402.

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, 91459 + ... + 98008.

It is an arithmetic number, because the mean of its divisors is an integer number (64608588).

Almost surely, 2^620504425 is an apocalyptic number.

It is an amenable number.

620504425 is a deficient number, since it is larger than the sum of its proper divisors (154798631).

620504425 is a wasteful number, since it uses less digits than its factorization.

620504425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189608 (or 189603 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 620504425 is about 24909.9262343348. The cubic root of 620504425 is about 852.9330851882.

The spelling of 620504425 in words is "six hundred twenty million, five hundred four thousand, four hundred twenty-five".