8180425 has 24 divisors (see below), whose sum is σ = 11195712. Its totient is φ = 5880000.

The previous prime is 8180423. The next prime is 8180429. The reversal of 8180425 is 5240818.

It is not a de Polignac number, because 8180425 - 2¹ = 8180423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8180393 and 8180402.

It is not an unprimeable number, because it can be changed into a prime (8180423) 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 23 ways as a sum of consecutive naturals, for example, 41427 + ... + 41623.

It is an arithmetic number, because the mean of its divisors is an integer number (466488).

Almost surely, 2^8180425 is an apocalyptic number.

It is an amenable number.

8180425 is a deficient number, since it is larger than the sum of its proper divisors (3015287).

8180425 is a wasteful number, since it uses less digits than its factorization.

8180425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8180425 is about 2860.1442271326. The cubic root of 8180425 is about 201.4923780076.

The spelling of 8180425 in words is "eight million, one hundred eighty thousand, four hundred twenty-five".