106212653 has 2 divisors, whose sum is σ = 106212654. Its totient is φ = 106212652.

The previous prime is 106212611. The next prime is 106212677. The reversal of 106212653 is 356212601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102779044 + 3433609 = 10138^2 + 1853^2 .

It is a cyclic number.

It is not a de Polignac number, because 106212653 - 2¹⁴ = 106196269 is a prime.

It is a super-2 number, since 2×106212653² = 22562255314596818, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106212553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53106326 + 53106327.

It is an arithmetic number, because the mean of its divisors is an integer number (53106327).

Almost surely, 2^106212653 is an apocalyptic number.

It is an amenable number.

106212653 is a deficient number, since it is larger than the sum of its proper divisors (1).

106212653 is an equidigital number, since it uses as much as digits as its factorization.

106212653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 106212653 is about 10305.9523092240. The cubic root of 106212653 is about 473.5786177729.

The spelling of 106212653 in words is "one hundred six million, two hundred twelve thousand, six hundred fifty-three".