8453971 has 2 divisors, whose sum is σ = 8453972. Its totient is φ = 8453970.

The previous prime is 8453969. The next prime is 8453983. The reversal of 8453971 is 1793548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8453971 - 2¹ = 8453969 is a prime.

Together with 8453969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 8453971.

It is not a weakly prime, because it can be changed into another prime (8453941) 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, 4226985 + 4226986.

It is an arithmetic number, because the mean of its divisors is an integer number (4226986).

Almost surely, 2^8453971 is an apocalyptic number.

8453971 is a deficient number, since it is larger than the sum of its proper divisors (1).

8453971 is an equidigital number, since it uses as much as digits as its factorization.

8453971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 8453971 is about 2907.5713232868. The cubic root of 8453971 is about 203.7137067603.

The spelling of 8453971 in words is "eight million, four hundred fifty-three thousand, nine hundred seventy-one".