452664557 has 2 divisors, whose sum is σ = 452664558. Its totient is φ = 452664556.

The previous prime is 452664523. The next prime is 452664571. The reversal of 452664557 is 755466254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 235131556 + 217533001 = 15334^2 + 14749^2 .

It is a cyclic number.

It is not a de Polignac number, because 452664557 - 2⁸ = 452664301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452664257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226332278 + 226332279.

It is an arithmetic number, because the mean of its divisors is an integer number (226332279).

Almost surely, 2^452664557 is an apocalyptic number.

It is an amenable number.

452664557 is a deficient number, since it is larger than the sum of its proper divisors (1).

452664557 is an equidigital number, since it uses as much as digits as its factorization.

452664557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008000, while the sum is 44.

The square root of 452664557 is about 21275.9149509486. The cubic root of 452664557 is about 767.8189570045.

The spelling of 452664557 in words is "four hundred fifty-two million, six hundred sixty-four thousand, five hundred fifty-seven".