452462523521 has 2 divisors, whose sum is σ = 452462523522. Its totient is φ = 452462523520.

The previous prime is 452462523511. The next prime is 452462523581. The reversal of 452462523521 is 125325264254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266818737025 + 185643786496 = 516545^2 + 430864^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452462523521 is a prime.

It is not a weakly prime, because it can be changed into another prime (452462523511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226231261760 + 226231261761.

It is an arithmetic number, because the mean of its divisors is an integer number (226231261761).

Almost surely, 2^452462523521 is an apocalyptic number.

It is an amenable number.

452462523521 is a deficient number, since it is larger than the sum of its proper divisors (1).

452462523521 is an equidigital number, since it uses as much as digits as its factorization.

452462523521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 41.

Adding to 452462523521 its reverse (125325264254), we get a palindrome (577787787775).

The spelling of 452462523521 in words is "four hundred fifty-two billion, four hundred sixty-two million, five hundred twenty-three thousand, five hundred twenty-one".