447653497 has 2 divisors, whose sum is σ = 447653498. Its totient is φ = 447653496.

The previous prime is 447653489. The next prime is 447653501. The reversal of 447653497 is 794356744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 348531561 + 99121936 = 18669^2 + 9956^2 .

It is a cyclic number.

It is not a de Polignac number, because 447653497 - 2³ = 447653489 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 447653497.

It is not a weakly prime, because it can be changed into another prime (447653597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223826748 + 223826749.

It is an arithmetic number, because the mean of its divisors is an integer number (223826749).

Almost surely, 2^447653497 is an apocalyptic number.

It is an amenable number.

447653497 is a deficient number, since it is larger than the sum of its proper divisors (1).

447653497 is an equidigital number, since it uses as much as digits as its factorization.

447653497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 49.

The square root of 447653497 is about 21157.8235411868. The cubic root of 447653497 is about 764.9751494911.

The spelling of 447653497 in words is "four hundred forty-seven million, six hundred fifty-three thousand, four hundred ninety-seven".