106605503 has 2 divisors, whose sum is σ = 106605504. Its totient is φ = 106605502.

The previous prime is 106605493. The next prime is 106605511. The reversal of 106605503 is 305506601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106605503 - 2¹⁶ = 106539967 is a prime.

It is a super-2 number, since 2×106605503² = 22729466539766018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106605533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53302751 + 53302752.

It is an arithmetic number, because the mean of its divisors is an integer number (53302752).

Almost surely, 2^106605503 is an apocalyptic number.

106605503 is a deficient number, since it is larger than the sum of its proper divisors (1).

106605503 is an equidigital number, since it uses as much as digits as its factorization.

106605503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 106605503 is about 10324.9940920080. The cubic root of 106605503 is about 474.1617763354.

The spelling of 106605503 in words is "one hundred six million, six hundred five thousand, five hundred three".