8457241 has 8 divisors (see below), whose sum is σ = 9422280. Its totient is φ = 7537152.

The previous prime is 8457233. The next prime is 8457247. The reversal of 8457241 is 1427548.

It can be written as a sum of positive squares in 4 ways, for example, as 1587600 + 6869641 = 1260^2 + 2621^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8457241 - 2³ = 8457233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8457247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10840 + ... + 11593.

It is an arithmetic number, because the mean of its divisors is an integer number (1177785).

Almost surely, 2^8457241 is an apocalyptic number.

It is an amenable number.

8457241 is a deficient number, since it is larger than the sum of its proper divisors (965039).

8457241 is a wasteful number, since it uses less digits than its factorization.

8457241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22475.

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

The square root of 8457241 is about 2908.1335939052. The cubic root of 8457241 is about 203.7399688940.

The spelling of 8457241 in words is "eight million, four hundred fifty-seven thousand, two hundred forty-one".