451265461 has 2 divisors, whose sum is σ = 451265462. Its totient is φ = 451265460.

The previous prime is 451265429. The next prime is 451265473. The reversal of 451265461 is 164562154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428283025 + 22982436 = 20695^2 + 4794^2 .

It is a cyclic number.

It is not a de Polignac number, because 451265461 - 2⁵ = 451265429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451265411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225632730 + 225632731.

It is an arithmetic number, because the mean of its divisors is an integer number (225632731).

Almost surely, 2^451265461 is an apocalyptic number.

It is an amenable number.

451265461 is a deficient number, since it is larger than the sum of its proper divisors (1).

451265461 is an equidigital number, since it uses as much as digits as its factorization.

451265461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 34.

The square root of 451265461 is about 21243.0096973098. The cubic root of 451265461 is about 767.0270821044.

The spelling of 451265461 in words is "four hundred fifty-one million, two hundred sixty-five thousand, four hundred sixty-one".