8201425 has 12 divisors (see below), whose sum is σ = 10218096. Its totient is φ = 6530000.

The previous prime is 8201419. The next prime is 8201441. The reversal of 8201425 is 5241028.

It is a de Polignac number, because none of the positive numbers 2^k-8201425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8201396 and 8201405.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5622 + ... + 6928.

It is an arithmetic number, because the mean of its divisors is an integer number (851508).

Almost surely, 2^8201425 is an apocalyptic number.

It is an amenable number.

8201425 is a deficient number, since it is larger than the sum of its proper divisors (2016671).

8201425 is a wasteful number, since it uses less digits than its factorization.

8201425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 8201425 is about 2863.8130176392. The cubic root of 8201425 is about 201.6646479622.

The spelling of 8201425 in words is "eight million, two hundred one thousand, four hundred twenty-five".