449357231 has 2 divisors, whose sum is σ = 449357232. Its totient is φ = 449357230.

The previous prime is 449357191. The next prime is 449357263. The reversal of 449357231 is 132753944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449357231 is a prime.

It is a super-2 number, since 2×449357231² = 403843842103974722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449357281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224678615 + 224678616.

It is an arithmetic number, because the mean of its divisors is an integer number (224678616).

Almost surely, 2^449357231 is an apocalyptic number.

449357231 is a deficient number, since it is larger than the sum of its proper divisors (1).

449357231 is an equidigital number, since it uses as much as digits as its factorization.

449357231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 449357231 is about 21198.0478110603. The cubic root of 449357231 is about 765.9443993165.

The spelling of 449357231 in words is "four hundred forty-nine million, three hundred fifty-seven thousand, two hundred thirty-one".