447852247 has 2 divisors, whose sum is σ = 447852248. Its totient is φ = 447852246.

The previous prime is 447852221. The next prime is 447852253. The reversal of 447852247 is 742258744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447852247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447852277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223926123 + 223926124.

It is an arithmetic number, because the mean of its divisors is an integer number (223926124).

Almost surely, 2^447852247 is an apocalyptic number.

447852247 is a deficient number, since it is larger than the sum of its proper divisors (1).

447852247 is an equidigital number, since it uses as much as digits as its factorization.

447852247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501760, while the sum is 43.

The square root of 447852247 is about 21162.5198641372. The cubic root of 447852247 is about 765.0883444188.

The spelling of 447852247 in words is "four hundred forty-seven million, eight hundred fifty-two thousand, two hundred forty-seven".