106051997 has 2 divisors, whose sum is σ = 106051998. Its totient is φ = 106051996.

The previous prime is 106051987. The next prime is 106052003. The reversal of 106051997 is 799150601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105288121 + 763876 = 10261^2 + 874^2 .

It is an emirp because it is prime and its reverse (799150601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106051997 - 2⁸ = 106051741 is a prime.

It is a super-2 number, since 2×106051997² = 22494052135376018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106051997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106051937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025998 + 53025999.

It is an arithmetic number, because the mean of its divisors is an integer number (53025999).

Almost surely, 2^106051997 is an apocalyptic number.

It is an amenable number.

106051997 is a deficient number, since it is larger than the sum of its proper divisors (1).

106051997 is an equidigital number, since it uses as much as digits as its factorization.

106051997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17010, while the sum is 38.

The square root of 106051997 is about 10298.1550289360. The cubic root of 106051997 is about 473.3397208135.

The spelling of 106051997 in words is "one hundred six million, fifty-one thousand, nine hundred ninety-seven".