8280425 has 6 divisors (see below), whose sum is σ = 10267758. Its totient is φ = 6624320.

The previous prime is 8280407. The next prime is 8280431. The reversal of 8280425 is 5240828.

8280425 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 32041 + 8248384 = 179^2 + 2872^2 .

It is not a de Polignac number, because 8280425 - 2⁸ = 8280169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 165584 + ... + 165633.

It is an arithmetic number, because the mean of its divisors is an integer number (1711293).

Almost surely, 2^8280425 is an apocalyptic number.

It is an amenable number.

8280425 is a deficient number, since it is larger than the sum of its proper divisors (1987333).

8280425 is a wasteful number, since it uses less digits than its factorization.

8280425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331227 (or 331222 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8280425 is about 2877.5727618950. The cubic root of 8280425 is about 202.3100896961.

The spelling of 8280425 in words is "eight million, two hundred eighty thousand, four hundred twenty-five".