620260257 has 12 divisors (see below), whose sum is σ = 829727376. Its totient is φ = 412153560.

The previous prime is 620260243. The next prime is 620260273. The reversal of 620260257 is 752062026.

620260257 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 620260257 - 2¹⁴ = 620243873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620260217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 897282 + ... + 897972.

It is an arithmetic number, because the mean of its divisors is an integer number (69143948).

Almost surely, 2^620260257 is an apocalyptic number.

It is an amenable number.

620260257 is a deficient number, since it is larger than the sum of its proper divisors (209467119).

620260257 is an frugal number, since it uses more digits than its factorization.

620260257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1241 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 620260257 is about 24905.0247339769. The cubic root of 620260257 is about 852.8211943460.

The spelling of 620260257 in words is "six hundred twenty million, two hundred sixty thousand, two hundred fifty-seven".