448287431 has 2 divisors, whose sum is σ = 448287432. Its totient is φ = 448287430.

The previous prime is 448287403. The next prime is 448287451. The reversal of 448287431 is 134782844.

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-448287431 is a prime.

It is a super-2 number, since 2×448287431² = 401923241585159522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (448287451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224143715 + 224143716.

It is an arithmetic number, because the mean of its divisors is an integer number (224143716).

Almost surely, 2^448287431 is an apocalyptic number.

448287431 is a deficient number, since it is larger than the sum of its proper divisors (1).

448287431 is an equidigital number, since it uses as much as digits as its factorization.

448287431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172032, while the sum is 41.

The square root of 448287431 is about 21172.7993189375. The cubic root of 448287431 is about 765.3360797088.

The spelling of 448287431 in words is "four hundred forty-eight million, two hundred eighty-seven thousand, four hundred thirty-one".