448820051 has 2 divisors, whose sum is σ = 448820052. Its totient is φ = 448820050.

The previous prime is 448820041. The next prime is 448820123. The reversal of 448820051 is 150028844.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448820051 - 2²² = 444625747 is a prime.

It is not a weakly prime, because it can be changed into another prime (448820041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224410025 + 224410026.

It is an arithmetic number, because the mean of its divisors is an integer number (224410026).

Almost surely, 2^448820051 is an apocalyptic number.

448820051 is a deficient number, since it is larger than the sum of its proper divisors (1).

448820051 is an equidigital number, since it uses as much as digits as its factorization.

448820051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 32.

The square root of 448820051 is about 21185.3735157065. The cubic root of 448820051 is about 765.6390638672.

Adding to 448820051 its reverse (150028844), we get a palindrome (598848895).

The spelling of 448820051 in words is "four hundred forty-eight million, eight hundred twenty thousand, fifty-one".