8241457 has 6 divisors (see below), whose sum is σ = 9587058. Its totient is φ = 7064064.

The previous prime is 8241433. The next prime is 8241463. The reversal of 8241457 is 7541428.

It can be written as a sum of positive squares in only one way, i.e., 5934096 + 2307361 = 2436^2 + 1519^2 .

It is not a de Polignac number, because 8241457 - 2⁷ = 8241329 is a prime.

It is a super-2 number, since 2×8241457² = 135843226965698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8241407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84048 + ... + 84145.

It is an arithmetic number, because the mean of its divisors is an integer number (1597843).

Almost surely, 2^8241457 is an apocalyptic number.

It is an amenable number.

8241457 is a deficient number, since it is larger than the sum of its proper divisors (1345601).

8241457 is a wasteful number, since it uses less digits than its factorization.

8241457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168207 (or 168200 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 8241457 is about 2870.7937926643. The cubic root of 8241457 is about 201.9922308550.

The spelling of 8241457 in words is "eight million, two hundred forty-one thousand, four hundred fifty-seven".