452517389 has 2 divisors, whose sum is σ = 452517390. Its totient is φ = 452517388.

The previous prime is 452517379. The next prime is 452517431. The reversal of 452517389 is 983715254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397683364 + 54834025 = 19942^2 + 7405^2 .

It is a cyclic number.

It is not a de Polignac number, because 452517389 - 2⁸ = 452517133 is a prime.

It is a Chen prime.

It is equal to p_23979284 and since 452517389 and 23979284 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452517379) 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, 226258694 + 226258695.

It is an arithmetic number, because the mean of its divisors is an integer number (226258695).

Almost surely, 2^452517389 is an apocalyptic number.

It is an amenable number.

452517389 is a deficient number, since it is larger than the sum of its proper divisors (1).

452517389 is an equidigital number, since it uses as much as digits as its factorization.

452517389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 44.

The square root of 452517389 is about 21272.4561111311. The cubic root of 452517389 is about 767.7357381864.

The spelling of 452517389 in words is "four hundred fifty-two million, five hundred seventeen thousand, three hundred eighty-nine".