451113563 has 2 divisors, whose sum is σ = 451113564. Its totient is φ = 451113562.

The previous prime is 451113539. The next prime is 451113601. The reversal of 451113563 is 365311154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451113563 - 2²² = 446919259 is a prime.

It is a super-3 number, since 3×451113563³ (a number of 27 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (451110563) 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, 225556781 + 225556782.

It is an arithmetic number, because the mean of its divisors is an integer number (225556782).

Almost surely, 2^451113563 is an apocalyptic number.

451113563 is a deficient number, since it is larger than the sum of its proper divisors (1).

451113563 is an equidigital number, since it uses as much as digits as its factorization.

451113563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 451113563 is about 21239.4341497131. The cubic root of 451113563 is about 766.9410108486.

The spelling of 451113563 in words is "four hundred fifty-one million, one hundred thirteen thousand, five hundred sixty-three".