101032609 has 2 divisors, whose sum is σ = 101032610. Its totient is φ = 101032608.

The previous prime is 101032601. The next prime is 101032621. The reversal of 101032609 is 906230101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81848209 + 19184400 = 9047^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 101032609 - 2³ = 101032601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101032609.

It is not a weakly prime, because it can be changed into another prime (101032601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50516304 + 50516305.

It is an arithmetic number, because the mean of its divisors is an integer number (50516305).

Almost surely, 2^101032609 is an apocalyptic number.

It is an amenable number.

101032609 is a deficient number, since it is larger than the sum of its proper divisors (1).

101032609 is an equidigital number, since it uses as much as digits as its factorization.

101032609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 101032609 is about 10051.4978485796. The cubic root of 101032609 is about 465.7510643390.

The spelling of 101032609 in words is "one hundred one million, thirty-two thousand, six hundred nine".