620286225 has 48 divisors (see below), whose sum is σ = 1169425152. Its totient is φ = 287400960.

The previous prime is 620286221. The next prime is 620286299. The reversal of 620286225 is 522682026.

It is not a de Polignac number, because 620286225 - 2² = 620286221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (620286221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2137 + ... + 35286.

It is an arithmetic number, because the mean of its divisors is an integer number (24363024).

Almost surely, 2^620286225 is an apocalyptic number.

620286225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

620286225 is a deficient number, since it is larger than the sum of its proper divisors (549138927).

620286225 is a wasteful number, since it uses less digits than its factorization.

620286225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37466 (or 37461 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 620286225 is about 24905.5460690987. The cubic root of 620286225 is about 852.8330956683.

The spelling of 620286225 in words is "six hundred twenty million, two hundred eighty-six thousand, two hundred twenty-five".