8542425 has 12 divisors (see below), whose sum is σ = 14123600. Its totient is φ = 4555920.

The previous prime is 8542421. The next prime is 8542427. The reversal of 8542425 is 5242458.

It is not a de Polignac number, because 8542425 - 2² = 8542421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8542392 and 8542401.

It is not an unprimeable number, because it can be changed into a prime (8542421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56875 + ... + 57024.

Almost surely, 2^8542425 is an apocalyptic number.

It is an amenable number.

8542425 is a deficient number, since it is larger than the sum of its proper divisors (5581175).

8542425 is a wasteful number, since it uses less digits than its factorization.

8542425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113912 (or 113907 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 8542425 is about 2922.7427187489. The cubic root of 8542425 is about 204.4217294413.

The spelling of 8542425 in words is "eight million, five hundred forty-two thousand, four hundred twenty-five".