451382401 has 2 divisors, whose sum is σ = 451382402. Its totient is φ = 451382400.

The previous prime is 451382387. The next prime is 451382441. The reversal of 451382401 is 104283154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 365727376 + 85655025 = 19124^2 + 9255^2 .

It is a cyclic number.

It is not a de Polignac number, because 451382401 - 2⁵ = 451382369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451382401.

It is not a weakly prime, because it can be changed into another prime (451382441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225691200 + 225691201.

It is an arithmetic number, because the mean of its divisors is an integer number (225691201).

Almost surely, 2^451382401 is an apocalyptic number.

It is an amenable number.

451382401 is a deficient number, since it is larger than the sum of its proper divisors (1).

451382401 is an equidigital number, since it uses as much as digits as its factorization.

451382401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 451382401 is about 21245.7619538580. The cubic root of 451382401 is about 767.0933316537.

The spelling of 451382401 in words is "four hundred fifty-one million, three hundred eighty-two thousand, four hundred one".