8456425 has 18 divisors (see below), whose sum is σ = 11078718. Its totient is φ = 6402240.

The previous prime is 8456419. The next prime is 8456467. The reversal of 8456425 is 5246548.

It can be written as a sum of positive squares in 3 ways, for example, as 5776 + 8450649 = 76^2 + 2907^2 .

It is not a de Polignac number, because 8456425 - 2³ = 8456417 is a prime.

It is a super-2 number, since 2×8456425² = 143022247561250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8557 + ... + 9493.

Almost surely, 2^8456425 is an apocalyptic number.

It is an amenable number.

8456425 is a deficient number, since it is larger than the sum of its proper divisors (2622293).

8456425 is a wasteful number, since it uses less digits than its factorization.

8456425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 961 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 8456425 is about 2907.9932943527. The cubic root of 8456425 is about 203.7334160414.

The spelling of 8456425 in words is "eight million, four hundred fifty-six thousand, four hundred twenty-five".