308625 has 16 divisors (see below), whose sum is σ = 514176. Its totient is φ = 164400.

The previous prime is 308621. The next prime is 308639. The reversal of 308625 is 526803.

It is not a de Polignac number, because 308625 - 2² = 308621 is a prime.

308625 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 308595 and 308604.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308625.

It is not an unprimeable number, because it can be changed into a prime (308621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37 + ... + 786.

It is an arithmetic number, because the mean of its divisors is an integer number (32136).

2³⁰⁸⁶²⁵ is an apocalyptic number.

It is an amenable number.

308625 is a deficient number, since it is larger than the sum of its proper divisors (205551).

308625 is an equidigital number, since it uses as much as digits as its factorization.

308625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 308625 is about 555.5402775677. The cubic root of 308625 is about 67.5787831832.

The spelling of 308625 in words is "three hundred eight thousand, six hundred twenty-five".