450000071 has 2 divisors, whose sum is σ = 450000072. Its totient is φ = 450000070.

The previous prime is 450000029. The next prime is 450000097. The reversal of 450000071 is 170000054.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 450000071 - 2⁶ = 450000007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (450006071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225000035 + 225000036.

It is an arithmetic number, because the mean of its divisors is an integer number (225000036).

Almost surely, 2^450000071 is an apocalyptic number.

450000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

450000071 is an equidigital number, since it uses as much as digits as its factorization.

450000071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 450000071 is about 21213.2051090824. The cubic root of 450000071 is about 766.3094726958.

Subtracting from 450000071 its sum of digits (17), we obtain a palindrome (450000054).

The spelling of 450000071 in words is "four hundred fifty million, seventy-one", and thus it is an aban number.