451680373 has 2 divisors, whose sum is σ = 451680374. Its totient is φ = 451680372.

The previous prime is 451680311. The next prime is 451680379. The reversal of 451680373 is 373086154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385062129 + 66618244 = 19623^2 + 8162^2 .

It is a cyclic number.

It is not a de Polignac number, because 451680373 - 2⁹ = 451679861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451680379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225840186 + 225840187.

It is an arithmetic number, because the mean of its divisors is an integer number (225840187).

Almost surely, 2^451680373 is an apocalyptic number.

It is an amenable number.

451680373 is a deficient number, since it is larger than the sum of its proper divisors (1).

451680373 is an equidigital number, since it uses as much as digits as its factorization.

451680373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 451680373 is about 21252.7733013835. The cubic root of 451680373 is about 767.2620888288.

The spelling of 451680373 in words is "four hundred fifty-one million, six hundred eighty thousand, three hundred seventy-three".