452306639 has 2 divisors, whose sum is σ = 452306640. Its totient is φ = 452306638.

The previous prime is 452306557. The next prime is 452306689. The reversal of 452306639 is 936603254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452306639 - 2²⁰ = 451258063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452306689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226153319 + 226153320.

It is an arithmetic number, because the mean of its divisors is an integer number (226153320).

Almost surely, 2^452306639 is an apocalyptic number.

452306639 is a deficient number, since it is larger than the sum of its proper divisors (1).

452306639 is an equidigital number, since it uses as much as digits as its factorization.

452306639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 38.

The square root of 452306639 is about 21267.5019454566. The cubic root of 452306639 is about 767.6165343462.

The spelling of 452306639 in words is "four hundred fifty-two million, three hundred six thousand, six hundred thirty-nine".