447611057 has 2 divisors, whose sum is σ = 447611058. Its totient is φ = 447611056.

The previous prime is 447611041. The next prime is 447611069. The reversal of 447611057 is 750116744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352275361 + 95335696 = 18769^2 + 9764^2 .

It is a cyclic number.

It is not a de Polignac number, because 447611057 - 2⁴ = 447611041 is a prime.

It is not a weakly prime, because it can be changed into another prime (447611357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223805528 + 223805529.

It is an arithmetic number, because the mean of its divisors is an integer number (223805529).

Almost surely, 2^447611057 is an apocalyptic number.

It is an amenable number.

447611057 is a deficient number, since it is larger than the sum of its proper divisors (1).

447611057 is an equidigital number, since it uses as much as digits as its factorization.

447611057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 447611057 is about 21156.8205787165. The cubic root of 447611057 is about 764.9509741176.

The spelling of 447611057 in words is "four hundred forty-seven million, six hundred eleven thousand, fifty-seven".