106243253 has 2 divisors, whose sum is σ = 106243254. Its totient is φ = 106243252.

The previous prime is 106243201. The next prime is 106243271. The reversal of 106243253 is 352342601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94906564 + 11336689 = 9742^2 + 3367^2 .

It is a cyclic number.

It is not a de Polignac number, because 106243253 - 2¹⁶ = 106177717 is a prime.

It is a super-2 number, since 2×106243253² = 22575257616044018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen 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 (106243283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53121626 + 53121627.

It is an arithmetic number, because the mean of its divisors is an integer number (53121627).

Almost surely, 2^106243253 is an apocalyptic number.

It is an amenable number.

106243253 is a deficient number, since it is larger than the sum of its proper divisors (1).

106243253 is an equidigital number, since it uses as much as digits as its factorization.

106243253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 106243253 is about 10307.4367812759. The cubic root of 106243253 is about 473.6240929395.

Adding to 106243253 its reverse (352342601), we get a palindrome (458585854).

The spelling of 106243253 in words is "one hundred six million, two hundred forty-three thousand, two hundred fifty-three".