453225665 has 4 divisors (see below), whose sum is σ = 543870804. Its totient is φ = 362580528.

The previous prime is 453225583. The next prime is 453225671. The reversal of 453225665 is 566522354.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 224490289 + 228735376 = 14983^2 + 15124^2 .

It is a cyclic number.

It is not a de Polignac number, because 453225665 - 2¹² = 453221569 is a prime.

It is a super-3 number, since 3×453225665³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45322562 + ... + 45322571.

It is an arithmetic number, because the mean of its divisors is an integer number (135967701).

Almost surely, 2^453225665 is an apocalyptic number.

It is an amenable number.

453225665 is a deficient number, since it is larger than the sum of its proper divisors (90645139).

453225665 is an equidigital number, since it uses as much as digits as its factorization.

453225665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90645138.

The product of its digits is 216000, while the sum is 38.

The square root of 453225665 is about 21289.0973270357. The cubic root of 453225665 is about 768.1360803292.

It can be divided in two parts, 45322 and 5665, that multiplied together give a triangular number (256749130 = T₂₂₆₆₀).

The spelling of 453225665 in words is "four hundred fifty-three million, two hundred twenty-five thousand, six hundred sixty-five".