453249217 has 2 divisors, whose sum is σ = 453249218. Its totient is φ = 453249216.

The previous prime is 453249211. The next prime is 453249221. The reversal of 453249217 is 712942354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422878096 + 30371121 = 20564^2 + 5511^2 .

It is a cyclic number.

It is not a de Polignac number, because 453249217 - 2⁷ = 453249089 is a prime.

It is a super-2 number, since 2×453249217² = 410869705422226178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (453249211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226624608 + 226624609.

It is an arithmetic number, because the mean of its divisors is an integer number (226624609).

Almost surely, 2^453249217 is an apocalyptic number.

It is an amenable number.

453249217 is a deficient number, since it is larger than the sum of its proper divisors (1).

453249217 is an equidigital number, since it uses as much as digits as its factorization.

453249217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 453249217 is about 21289.6504668348. The cubic root of 453249217 is about 768.1493855684.

The spelling of 453249217 in words is "four hundred fifty-three million, two hundred forty-nine thousand, two hundred seventeen".