451453447 has 2 divisors, whose sum is σ = 451453448. Its totient is φ = 451453446.

The previous prime is 451453421. The next prime is 451453451. The reversal of 451453447 is 744354154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-451453447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451454447) 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, 225726723 + 225726724.

It is an arithmetic number, because the mean of its divisors is an integer number (225726724).

Almost surely, 2^451453447 is an apocalyptic number.

451453447 is a deficient number, since it is larger than the sum of its proper divisors (1).

451453447 is an equidigital number, since it uses as much as digits as its factorization.

451453447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134400, while the sum is 37.

The square root of 451453447 is about 21247.4338921198. The cubic root of 451453447 is about 767.1335754718.

The spelling of 451453447 in words is "four hundred fifty-one million, four hundred fifty-three thousand, four hundred forty-seven".