452240401 has 2 divisors, whose sum is σ = 452240402. Its totient is φ = 452240400.

The previous prime is 452240359. The next prime is 452240407. The reversal of 452240401 is 104042254.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 450458176 + 1782225 = 21224^2 + 1335^2 .

It is a cyclic number.

It is not a de Polignac number, because 452240401 - 2²⁷ = 318022673 is a prime.

It is not a weakly prime, because it can be changed into another prime (452240407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226120200 + 226120201.

It is an arithmetic number, because the mean of its divisors is an integer number (226120201).

Almost surely, 2^452240401 is an apocalyptic number.

It is an amenable number.

452240401 is a deficient number, since it is larger than the sum of its proper divisors (1).

452240401 is an equidigital number, since it uses as much as digits as its factorization.

452240401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 452240401 is about 21265.9446298536. The cubic root of 452240401 is about 767.5790613416.

Adding to 452240401 its reverse (104042254), we get a palindrome (556282655).

The spelling of 452240401 in words is "four hundred fifty-two million, two hundred forty thousand, four hundred one".