451361 has 2 divisors, whose sum is σ = 451362. Its totient is φ = 451360.

The previous prime is 451343. The next prime is 451387. The reversal of 451361 is 163154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 430336 + 21025 = 656^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 451361 - 2¹⁴ = 434977 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 451361.

It is not a weakly prime, because it can be changed into another prime (451301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225680 + 225681.

It is an arithmetic number, because the mean of its divisors is an integer number (225681).

2⁴⁵¹³⁶¹ is an apocalyptic number.

It is an amenable number.

451361 is a deficient number, since it is larger than the sum of its proper divisors (1).

451361 is an equidigital number, since it uses as much as digits as its factorization.

451361 is an odious number, because the sum of its binary digits is odd.

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

The square root of 451361 is about 671.8340568920. The cubic root of 451361 is about 76.7081208286.

The spelling of 451361 in words is "four hundred fifty-one thousand, three hundred sixty-one".