448690313 has 2 divisors, whose sum is σ = 448690314. Its totient is φ = 448690312.

The previous prime is 448690303. The next prime is 448690387. The reversal of 448690313 is 313096844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 448295929 + 394384 = 21173^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 448690313 - 2⁸ = 448690057 is a prime.

It is not a weakly prime, because it can be changed into another prime (448690303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224345156 + 224345157.

It is an arithmetic number, because the mean of its divisors is an integer number (224345157).

Almost surely, 2^448690313 is an apocalyptic number.

It is an amenable number.

448690313 is a deficient number, since it is larger than the sum of its proper divisors (1).

448690313 is an equidigital number, since it uses as much as digits as its factorization.

448690313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 448690313 is about 21182.3113233660. The cubic root of 448690313 is about 765.5652837012.

The spelling of 448690313 in words is "four hundred forty-eight million, six hundred ninety thousand, three hundred thirteen".