106563389 has 2 divisors, whose sum is σ = 106563390. Its totient is φ = 106563388.

The previous prime is 106563323. The next prime is 106563397. The reversal of 106563389 is 983365601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106296100 + 267289 = 10310^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 106563389 - 2²⁴ = 89786173 is a prime.

It is a super-2 number, since 2×106563389² = 22711511750330642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106563319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53281694 + 53281695.

It is an arithmetic number, because the mean of its divisors is an integer number (53281695).

Almost surely, 2^106563389 is an apocalyptic number.

It is an amenable number.

106563389 is a deficient number, since it is larger than the sum of its proper divisors (1).

106563389 is an equidigital number, since it uses as much as digits as its factorization.

106563389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 106563389 is about 10322.9544704992. The cubic root of 106563389 is about 474.0993296555.

The spelling of 106563389 in words is "one hundred six million, five hundred sixty-three thousand, three hundred eighty-nine".