106442473 has 2 divisors, whose sum is σ = 106442474. Its totient is φ = 106442472.

The previous prime is 106442443. The next prime is 106442477. The reversal of 106442473 is 374244601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103795344 + 2647129 = 10188^2 + 1627^2 .

It is an emirp because it is prime and its reverse (374244601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106442473 - 2⁹ = 106441961 is a prime.

It is a super-2 number, since 2×106442473² = 22660000116711458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106442477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53221236 + 53221237.

It is an arithmetic number, because the mean of its divisors is an integer number (53221237).

Almost surely, 2^106442473 is an apocalyptic number.

It is an amenable number.

106442473 is a deficient number, since it is larger than the sum of its proper divisors (1).

106442473 is an equidigital number, since it uses as much as digits as its factorization.

106442473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 106442473 is about 10317.0961515341. The cubic root of 106442473 is about 473.9199438108.

The spelling of 106442473 in words is "one hundred six million, four hundred forty-two thousand, four hundred seventy-three".