620825 has 12 divisors (see below), whose sum is σ = 810960. Its totient is φ = 470160.

The previous prime is 620821. The next prime is 620827. The reversal of 620825 is 528026.

It is a happy number.

620825 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 620825 - 2² = 620821 is a prime.

It is a Curzon number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 620825.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 620825.

It is not an unprimeable number, because it can be changed into a prime (620821) 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, 179 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (67580).

2⁶²⁰⁸²⁵ is an apocalyptic number.

It is an amenable number.

620825 is a deficient number, since it is larger than the sum of its proper divisors (190135).

620825 is a wasteful number, since it uses less digits than its factorization.

620825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 620825 is about 787.9244887678. The cubic root of 620825 is about 85.3079945247.

The spelling of 620825 in words is "six hundred twenty thousand, eight hundred twenty-five".