448270931 has 2 divisors, whose sum is σ = 448270932. Its totient is φ = 448270930.

The previous prime is 448270891. The next prime is 448270961. The reversal of 448270931 is 139072844.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448270931 is a prime.

It is a super-2 number, since 2×448270931² = 401893655159213522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448270961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224135465 + 224135466.

It is an arithmetic number, because the mean of its divisors is an integer number (224135466).

Almost surely, 2^448270931 is an apocalyptic number.

448270931 is a deficient number, since it is larger than the sum of its proper divisors (1).

448270931 is an equidigital number, since it uses as much as digits as its factorization.

448270931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 448270931 is about 21172.4096644666. The cubic root of 448270931 is about 765.3266897510.

The spelling of 448270931 in words is "four hundred forty-eight million, two hundred seventy thousand, nine hundred thirty-one".