8425477 has 4 divisors (see below), whose sum is σ = 8442540. Its totient is φ = 8408416.

The previous prime is 8425453. The next prime is 8425519. The reversal of 8425477 is 7745248.

8425477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7568001 + 857476 = 2751^2 + 926^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8425477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7768 + ... + 8785.

It is an arithmetic number, because the mean of its divisors is an integer number (2110635).

Almost surely, 2^8425477 is an apocalyptic number.

It is an amenable number.

8425477 is a deficient number, since it is larger than the sum of its proper divisors (17063).

8425477 is a wasteful number, since it uses less digits than its factorization.

8425477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062.

The product of its digits is 62720, while the sum is 37.

The square root of 8425477 is about 2902.6672217118. The cubic root of 8425477 is about 203.4845776696.

The spelling of 8425477 in words is "eight million, four hundred twenty-five thousand, four hundred seventy-seven".