453155321 has 2 divisors, whose sum is σ = 453155322. Its totient is φ = 453155320.

The previous prime is 453155279. The next prime is 453155323. The reversal of 453155321 is 123551354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422508025 + 30647296 = 20555^2 + 5536^2 .

It is a cyclic number.

It is not a de Polignac number, because 453155321 - 2⁶ = 453155257 is a prime.

It is a super-2 number, since 2×453155321² = 410699489901226082, which contains 22 as substring.

Together with 453155323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (453155323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226577660 + 226577661.

It is an arithmetic number, because the mean of its divisors is an integer number (226577661).

Almost surely, 2^453155321 is an apocalyptic number.

It is an amenable number.

453155321 is a deficient number, since it is larger than the sum of its proper divisors (1).

453155321 is an equidigital number, since it uses as much as digits as its factorization.

453155321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 453155321 is about 21287.4451496651. The cubic root of 453155321 is about 768.0963381255.

The spelling of 453155321 in words is "four hundred fifty-three million, one hundred fifty-five thousand, three hundred twenty-one".