106603489 has 2 divisors, whose sum is σ = 106603490. Its totient is φ = 106603488.

The previous prime is 106603463. The next prime is 106603537. The reversal of 106603489 is 984306601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58064400 + 48539089 = 7620^2 + 6967^2 .

It is an emirp because it is prime and its reverse (984306601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106603489 - 2⁷ = 106603361 is a prime.

It is a super-2 number, since 2×106603489² = 22728607733946242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106603429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53301744 + 53301745.

It is an arithmetic number, because the mean of its divisors is an integer number (53301745).

Almost surely, 2^106603489 is an apocalyptic number.

It is an amenable number.

106603489 is a deficient number, since it is larger than the sum of its proper divisors (1).

106603489 is an equidigital number, since it uses as much as digits as its factorization.

106603489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 106603489 is about 10324.8965612252. The cubic root of 106603489 is about 474.1587903487.

The spelling of 106603489 in words is "one hundred six million, six hundred three thousand, four hundred eighty-nine".