452622991 has 2 divisors, whose sum is σ = 452622992. Its totient is φ = 452622990.

The previous prime is 452622967. The next prime is 452623009. The reversal of 452622991 is 199226254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 452622991 - 2¹¹ = 452620943 is a prime.

It is equal to p_23984554 and since 452622991 and 23984554 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452622901) 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, 226311495 + 226311496.

It is an arithmetic number, because the mean of its divisors is an integer number (226311496).

Almost surely, 2^452622991 is an apocalyptic number.

452622991 is a deficient number, since it is larger than the sum of its proper divisors (1).

452622991 is an equidigital number, since it uses as much as digits as its factorization.

452622991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 40.

The square root of 452622991 is about 21274.9380962672. The cubic root of 452622991 is about 767.7954545830.

The spelling of 452622991 in words is "four hundred fifty-two million, six hundred twenty-two thousand, nine hundred ninety-one".