8475457 has 4 divisors (see below), whose sum is σ = 8483716. Its totient is φ = 8467200.

The previous prime is 8475451. The next prime is 8475461. The reversal of 8475457 is 7545748.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 4165681 = 2076^2 + 2041^2 .

It is a cyclic number.

It is not a de Polignac number, because 8475457 - 2⁷ = 8475329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8475451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328 + ... + 4729.

It is an arithmetic number, because the mean of its divisors is an integer number (2120929).

Almost surely, 2^8475457 is an apocalyptic number.

It is an amenable number.

8475457 is a deficient number, since it is larger than the sum of its proper divisors (8259).

8475457 is a wasteful number, since it uses less digits than its factorization.

8475457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258.

The product of its digits is 156800, while the sum is 40.

The square root of 8475457 is about 2911.2638149093. The cubic root of 8475457 is about 203.8861420907.

The spelling of 8475457 in words is "eight million, four hundred seventy-five thousand, four hundred fifty-seven".