1006449497 has 2 divisors, whose sum is σ = 1006449498. Its totient is φ = 1006449496.

The previous prime is 1006449481. The next prime is 1006449541. The reversal of 1006449497 is 7949446001.

It is an a-pointer prime, because the next prime (1006449541) can be obtained adding 1006449497 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 882327616 + 124121881 = 29704^2 + 11141^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006449497 - 2⁴ = 1006449481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1006443497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503224748 + 503224749.

It is an arithmetic number, because the mean of its divisors is an integer number (503224749).

Almost surely, 2^1006449497 is an apocalyptic number.

It is an amenable number.

1006449497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006449497 is an equidigital number, since it uses as much as digits as its factorization.

1006449497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 1006449497 is about 31724.5882085174. The cubic root of 1006449497 is about 1002.1452270435.

The spelling of 1006449497 in words is "one billion, six million, four hundred forty-nine thousand, four hundred ninety-seven".