106425257 has 2 divisors, whose sum is σ = 106425258. Its totient is φ = 106425256.

The previous prime is 106425239. The next prime is 106425269. The reversal of 106425257 is 752524601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64577296 + 41847961 = 8036^2 + 6469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106425257 is a prime.

It is a super-2 number, since 2×106425257² = 22652670655032098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106421257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53212628 + 53212629.

It is an arithmetic number, because the mean of its divisors is an integer number (53212629).

Almost surely, 2^106425257 is an apocalyptic number.

It is an amenable number.

106425257 is a deficient number, since it is larger than the sum of its proper divisors (1).

106425257 is an equidigital number, since it uses as much as digits as its factorization.

106425257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 106425257 is about 10316.2617744995. The cubic root of 106425257 is about 473.8943918376.

Adding to 106425257 its reverse (752524601), we get a palindrome (858949858).

The spelling of 106425257 in words is "one hundred six million, four hundred twenty-five thousand, two hundred fifty-seven".