452021293 has 2 divisors, whose sum is σ = 452021294. Its totient is φ = 452021292.

The previous prime is 452021281. The next prime is 452021333. The reversal of 452021293 is 392120254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 419963049 + 32058244 = 20493^2 + 5662^2 .

It is a cyclic number.

It is not a de Polignac number, because 452021293 - 2⁹ = 452020781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452021593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226010646 + 226010647.

It is an arithmetic number, because the mean of its divisors is an integer number (226010647).

Almost surely, 2^452021293 is an apocalyptic number.

It is an amenable number.

452021293 is a deficient number, since it is larger than the sum of its proper divisors (1).

452021293 is an equidigital number, since it uses as much as digits as its factorization.

452021293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 452021293 is about 21260.7923888081. The cubic root of 452021293 is about 767.4550786980.

The spelling of 452021293 in words is "four hundred fifty-two million, twenty-one thousand, two hundred ninety-three".