450909097 has 2 divisors, whose sum is σ = 450909098. Its totient is φ = 450909096.

The previous prime is 450909077. The next prime is 450909113. The reversal of 450909097 is 790909054.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 324144016 + 126765081 = 18004^2 + 11259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-450909097 is a prime.

It is equal to p_23898562 and since 450909097 and 23898562 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (450909077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225454548 + 225454549.

It is an arithmetic number, because the mean of its divisors is an integer number (225454549).

Almost surely, 2^450909097 is an apocalyptic number.

It is an amenable number.

450909097 is a deficient number, since it is larger than the sum of its proper divisors (1).

450909097 is an equidigital number, since it uses as much as digits as its factorization.

450909097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 450909097 is about 21234.6202461923. The cubic root of 450909097 is about 766.8251220265.

Subtracting from 450909097 its sum of digits (43), we obtain a palindrome (450909054).

The spelling of 450909097 in words is "four hundred fifty million, nine hundred nine thousand, ninety-seven".