7482857 has 2 divisors, whose sum is σ = 7482858. Its totient is φ = 7482856.

The previous prime is 7482829. The next prime is 7482859. The reversal of 7482857 is 7582847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 534361 = 2636^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 7482857 - 2¹⁸ = 7220713 is a prime.

Together with 7482859, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7482859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3741428 + 3741429.

It is an arithmetic number, because the mean of its divisors is an integer number (3741429).

Almost surely, 2^7482857 is an apocalyptic number.

It is an amenable number.

7482857 is a deficient number, since it is larger than the sum of its proper divisors (1).

7482857 is an equidigital number, since it uses as much as digits as its factorization.

7482857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 41.

The square root of 7482857 is about 2735.4811276995. The cubic root of 7482857 is about 195.5941292255.

The spelling of 7482857 in words is "seven million, four hundred eighty-two thousand, eight hundred fifty-seven".