106344257 has 2 divisors, whose sum is σ = 106344258. Its totient is φ = 106344256.

The previous prime is 106344239. The next prime is 106344263. The reversal of 106344257 is 752443601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71250481 + 35093776 = 8441^2 + 5924^2 .

It is a cyclic number.

It is not a de Polignac number, because 106344257 - 2⁶ = 106344193 is a prime.

It is a super-2 number, since 2×106344257² = 22618201993764098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106346257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53172128 + 53172129.

It is an arithmetic number, because the mean of its divisors is an integer number (53172129).

Almost surely, 2^106344257 is an apocalyptic number.

It is an amenable number.

106344257 is a deficient number, since it is larger than the sum of its proper divisors (1).

106344257 is an equidigital number, since it uses as much as digits as its factorization.

106344257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 106344257 is about 10312.3351865618. The cubic root of 106344257 is about 473.7741347066.

Adding to 106344257 its reverse (752443601), we get a palindrome (858787858).

It can be divided in two parts, 106344 and 257, that added together give a palindrome (106601).

The spelling of 106344257 in words is "one hundred six million, three hundred forty-four thousand, two hundred fifty-seven".