8453479 has 2 divisors, whose sum is σ = 8453480. Its totient is φ = 8453478.

The previous prime is 8453477. The next prime is 8453509. The reversal of 8453479 is 9743548.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8453479 - 2¹ = 8453477 is a prime.

It is a super-2 number, since 2×8453479² = 142922614406882, which contains 22 as substring.

Together with 8453477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8453477) 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, 4226739 + 4226740.

It is an arithmetic number, because the mean of its divisors is an integer number (4226740).

Almost surely, 2^8453479 is an apocalyptic number.

8453479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8453479 is an equidigital number, since it uses as much as digits as its factorization.

8453479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 40.

The square root of 8453479 is about 2907.4867153609. The cubic root of 8453479 is about 203.7097548073.

The spelling of 8453479 in words is "eight million, four hundred fifty-three thousand, four hundred seventy-nine".