8451241 has 2 divisors, whose sum is σ = 8451242. Its totient is φ = 8451240.

The previous prime is 8451239. The next prime is 8451259. The reversal of 8451241 is 1421548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 385641 = 2840^2 + 621^2 .

It is a cyclic number.

It is not a de Polignac number, because 8451241 - 2¹ = 8451239 is a prime.

Together with 8451239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8451271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225620 + 4225621.

It is an arithmetic number, because the mean of its divisors is an integer number (4225621).

Almost surely, 2^8451241 is an apocalyptic number.

It is an amenable number.

8451241 is a deficient number, since it is larger than the sum of its proper divisors (1).

8451241 is an equidigital number, since it uses as much as digits as its factorization.

8451241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 25.

The square root of 8451241 is about 2907.1018214022. The cubic root of 8451241 is about 203.6917763052.

Adding to 8451241 its reverse (1421548), we get a palindrome (9872789).

The spelling of 8451241 in words is "eight million, four hundred fifty-one thousand, two hundred forty-one".