8420325 has 36 divisors (see below), whose sum is σ = 14740128. Its totient is φ = 4240800.

The previous prime is 8420317. The next prime is 8420327. The reversal of 8420325 is 5230248.

8420325 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8420325 - 2³ = 8420317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8420295 and 8420304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8420327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26920 + ... + 27230.

It is an arithmetic number, because the mean of its divisors is an integer number (409448).

Almost surely, 2^8420325 is an apocalyptic number.

It is an amenable number.

8420325 is a deficient number, since it is larger than the sum of its proper divisors (6319803).

8420325 is a wasteful number, since it uses less digits than its factorization.

8420325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8420325 is about 2901.7796263672. The cubic root of 8420325 is about 203.4430937157.

The spelling of 8420325 in words is "eight million, four hundred twenty thousand, three hundred twenty-five".