101035609 has 2 divisors, whose sum is σ = 101035610. Its totient is φ = 101035608.

The previous prime is 101035589. The next prime is 101035621. The reversal of 101035609 is 906530101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100400400 + 635209 = 10020^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 101035609 - 2¹⁹ = 100511321 is a prime.

It is not a weakly prime, because it can be changed into another prime (101035639) 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, 50517804 + 50517805.

It is an arithmetic number, because the mean of its divisors is an integer number (50517805).

Almost surely, 2^101035609 is an apocalyptic number.

It is an amenable number.

101035609 is a deficient number, since it is larger than the sum of its proper divisors (1).

101035609 is an equidigital number, since it uses as much as digits as its factorization.

101035609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 101035609 is about 10051.6470789617. The cubic root of 101035609 is about 465.7556742017.

The spelling of 101035609 in words is "one hundred one million, thirty-five thousand, six hundred nine".