451045013 has 2 divisors, whose sum is σ = 451045014. Its totient is φ = 451045012.

The previous prime is 451044989. The next prime is 451045039. The reversal of 451045013 is 310540154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363397969 + 87647044 = 19063^2 + 9362^2 .

It is a cyclic number.

It is not a de Polignac number, because 451045013 - 2¹⁴ = 451028629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451045013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451045073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225522506 + 225522507.

It is an arithmetic number, because the mean of its divisors is an integer number (225522507).

Almost surely, 2^451045013 is an apocalyptic number.

It is an amenable number.

451045013 is a deficient number, since it is larger than the sum of its proper divisors (1).

451045013 is an equidigital number, since it uses as much as digits as its factorization.

451045013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 451045013 is about 21237.8203448471. The cubic root of 451045013 is about 766.9021614518.

Adding to 451045013 its reverse (310540154), we get a palindrome (761585167).

The spelling of 451045013 in words is "four hundred fifty-one million, forty-five thousand, thirteen".