452207281 has 2 divisors, whose sum is σ = 452207282. Its totient is φ = 452207280.

The previous prime is 452207269. The next prime is 452207369. The reversal of 452207281 is 182702254.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452200225 + 7056 = 21265^2 + 84^2 .

It is a cyclic number.

It is not a de Polignac number, because 452207281 - 2²³ = 443818673 is a prime.

It is a super-2 number, since 2×452207281² = 408982849978825922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (452207981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226103640 + 226103641.

It is an arithmetic number, because the mean of its divisors is an integer number (226103641).

Almost surely, 2^452207281 is an apocalyptic number.

It is an amenable number.

452207281 is a deficient number, since it is larger than the sum of its proper divisors (1).

452207281 is an equidigital number, since it uses as much as digits as its factorization.

452207281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 452207281 is about 21265.1659057718. The cubic root of 452207281 is about 767.5603229014.

The spelling of 452207281 in words is "four hundred fifty-two million, two hundred seven thousand, two hundred eighty-one".