448817431 has 2 divisors, whose sum is σ = 448817432. Its totient is φ = 448817430.

The previous prime is 448817393. The next prime is 448817461. The reversal of 448817431 is 134718844.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448817431 is a prime.

It is a super-2 number, since 2×448817431² = 402874172738879522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448817461) 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, 224408715 + 224408716.

It is an arithmetic number, because the mean of its divisors is an integer number (224408716).

Almost surely, 2^448817431 is an apocalyptic number.

448817431 is a deficient number, since it is larger than the sum of its proper divisors (1).

448817431 is an equidigital number, since it uses as much as digits as its factorization.

448817431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 40.

The square root of 448817431 is about 21185.3116805017. The cubic root of 448817431 is about 765.6375740509.

The spelling of 448817431 in words is "four hundred forty-eight million, eight hundred seventeen thousand, four hundred thirty-one".