8463457 has 2 divisors, whose sum is σ = 8463458. Its totient is φ = 8463456.

The previous prime is 8463419. The next prime is 8463461. The reversal of 8463457 is 7543648.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7096896 + 1366561 = 2664^2 + 1169^2 .

It is a cyclic number.

It is not a de Polignac number, because 8463457 - 2¹⁵ = 8430689 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8463487) 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 as a sum of consecutive naturals, namely, 4231728 + 4231729.

It is an arithmetic number, because the mean of its divisors is an integer number (4231729).

Almost surely, 2^8463457 is an apocalyptic number.

It is an amenable number.

8463457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8463457 is an equidigital number, since it uses as much as digits as its factorization.

8463457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 8463457 is about 2909.2021242946. The cubic root of 8463457 is about 203.7898723829.

The spelling of 8463457 in words is "eight million, four hundred sixty-three thousand, four hundred fifty-seven".