451248073 has 2 divisors, whose sum is σ = 451248074. Its totient is φ = 451248072.

The previous prime is 451248011. The next prime is 451248101. The reversal of 451248073 is 370842154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245956489 + 205291584 = 15683^2 + 14328^2 .

It is a cyclic number.

It is not a de Polignac number, because 451248073 - 2¹⁷ = 451117001 is a prime.

It is equal to p_23915590 and since 451248073 and 23915590 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (451228073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225624036 + 225624037.

It is an arithmetic number, because the mean of its divisors is an integer number (225624037).

Almost surely, 2^451248073 is an apocalyptic number.

It is an amenable number.

451248073 is a deficient number, since it is larger than the sum of its proper divisors (1).

451248073 is an equidigital number, since it uses as much as digits as its factorization.

451248073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 451248073 is about 21242.6004293260. The cubic root of 451248073 is about 767.0172303731.

The spelling of 451248073 in words is "four hundred fifty-one million, two hundred forty-eight thousand, seventy-three".