452523222352021 has 2 divisors, whose sum is σ = 452523222352022. Its totient is φ = 452523222352020.

The previous prime is 452523222351997. The next prime is 452523222352039. The reversal of 452523222352021 is 120253222325254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435850381620900 + 16672840731121 = 20877030^2 + 4083239^2 .

It is a cyclic number.

It is not a de Polignac number, because 452523222352021 - 2²³ = 452523213963413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452523222353021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226261611176010 + 226261611176011.

It is an arithmetic number, because the mean of its divisors is an integer number (226261611176011).

Almost surely, 2^{452523222352021} is an apocalyptic number.

It is an amenable number.

452523222352021 is a deficient number, since it is larger than the sum of its proper divisors (1).

452523222352021 is an equidigital number, since it uses as much as digits as its factorization.

452523222352021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576000, while the sum is 40.

Adding to 452523222352021 its reverse (120253222325254), we get a palindrome (572776444677275).

The spelling of 452523222352021 in words is "four hundred fifty-two trillion, five hundred twenty-three billion, two hundred twenty-two million, three hundred fifty-two thousand, twenty-one".