106626449 has 2 divisors, whose sum is σ = 106626450. Its totient is φ = 106626448.

The previous prime is 106626439. The next prime is 106626467. The reversal of 106626449 is 944626601.

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., 68890000 + 37736449 = 8300^2 + 6143^2 .

It is an emirp because it is prime and its reverse (944626601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106626449 is a prime.

It is a super-2 number, since 2×106626449² = 22738399252699202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (106626439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53313224 + 53313225.

It is an arithmetic number, because the mean of its divisors is an integer number (53313225).

Almost surely, 2^106626449 is an apocalyptic number.

It is an amenable number.

106626449 is a deficient number, since it is larger than the sum of its proper divisors (1).

106626449 is an equidigital number, since it uses as much as digits as its factorization.

106626449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 106626449 is about 10326.0083769092. The cubic root of 106626449 is about 474.1928289605.

The spelling of 106626449 in words is "one hundred six million, six hundred twenty-six thousand, four hundred forty-nine".