971451463 has 2 divisors, whose sum is σ = 971451464. Its totient is φ = 971451462.

The previous prime is 971451421. The next prime is 971451577. The reversal of 971451463 is 364154179.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 971451463 - 2²¹ = 969354311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (971451163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485725731 + 485725732.

It is an arithmetic number, because the mean of its divisors is an integer number (485725732).

Almost surely, 2^971451463 is an apocalyptic number.

971451463 is a deficient number, since it is larger than the sum of its proper divisors (1).

971451463 is an equidigital number, since it uses as much as digits as its factorization.

971451463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 40.

The square root of 971451463 is about 31168.1161285054. The cubic root of 971451463 is about 990.3917991448.

The spelling of 971451463 in words is "nine hundred seventy-one million, four hundred fifty-one thousand, four hundred sixty-three".