1006626217 has 2 divisors, whose sum is σ = 1006626218. Its totient is φ = 1006626216.

The previous prime is 1006626193. The next prime is 1006626347. The reversal of 1006626217 is 7126266001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979126681 + 27499536 = 31291^2 + 5244^2 .

It is a cyclic number.

It is not a de Polignac number, because 1006626217 - 2²³ = 998237609 is a prime.

It is not a weakly prime, because it can be changed into another prime (1006606217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503313108 + 503313109.

It is an arithmetic number, because the mean of its divisors is an integer number (503313109).

Almost surely, 2^1006626217 is an apocalyptic number.

It is an amenable number.

1006626217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006626217 is an equidigital number, since it uses as much as digits as its factorization.

1006626217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1006626217 is about 31727.3733076030. The cubic root of 1006626217 is about 1002.2038783521.

The spelling of 1006626217 in words is "one billion, six million, six hundred twenty-six thousand, two hundred seventeen".