451203113 has 2 divisors, whose sum is σ = 451203114. Its totient is φ = 451203112.

The previous prime is 451203091. The next prime is 451203161. The reversal of 451203113 is 311302154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322992784 + 128210329 = 17972^2 + 11323^2 .

It is a cyclic number.

It is not a de Polignac number, because 451203113 - 2²⁴ = 434425897 is a prime.

It is not a weakly prime, because it can be changed into another prime (451202113) 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, 225601556 + 225601557.

It is an arithmetic number, because the mean of its divisors is an integer number (225601557).

Almost surely, 2^451203113 is an apocalyptic number.

It is an amenable number.

451203113 is a deficient number, since it is larger than the sum of its proper divisors (1).

451203113 is an equidigital number, since it uses as much as digits as its factorization.

451203113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 451203113 is about 21241.5421521132. The cubic root of 451203113 is about 766.9917556641.

Adding to 451203113 its reverse (311302154), we get a palindrome (762505267).

The spelling of 451203113 in words is "four hundred fifty-one million, two hundred three thousand, one hundred thirteen".