106603261 has 2 divisors, whose sum is σ = 106603262. Its totient is φ = 106603260.

The previous prime is 106603247. The next prime is 106603267. The reversal of 106603261 is 162306601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65707236 + 40896025 = 8106^2 + 6395^2 .

It is a cyclic number.

It is not a de Polignac number, because 106603261 - 2¹¹ = 106601213 is a prime.

It is a super-2 number, since 2×106603261² = 22728510511668242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106603267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53301630 + 53301631.

It is an arithmetic number, because the mean of its divisors is an integer number (53301631).

Almost surely, 2^106603261 is an apocalyptic number.

It is an amenable number.

106603261 is a deficient number, since it is larger than the sum of its proper divisors (1).

106603261 is an equidigital number, since it uses as much as digits as its factorization.

106603261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 106603261 is about 10324.8855199465. The cubic root of 106603261 is about 474.1584523101.

Adding to 106603261 its reverse (162306601), we get a palindrome (268909862).

The spelling of 106603261 in words is "one hundred six million, six hundred three thousand, two hundred sixty-one".