235006609 has 2 divisors, whose sum is σ = 235006610. Its totient is φ = 235006608.

The previous prime is 235006601. The next prime is 235006621. The reversal of 235006609 is 906600532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159264400 + 75742209 = 12620^2 + 8703^2 .

It is a cyclic number.

It is not a de Polignac number, because 235006609 - 2³ = 235006601 is a prime.

It is not a weakly prime, because it can be changed into another prime (235006601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117503304 + 117503305.

It is an arithmetic number, because the mean of its divisors is an integer number (117503305).

Almost surely, 2^235006609 is an apocalyptic number.

It is an amenable number.

235006609 is a deficient number, since it is larger than the sum of its proper divisors (1).

235006609 is an equidigital number, since it uses as much as digits as its factorization.

235006609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 235006609 is about 15329.9252770521. The cubic root of 235006609 is about 617.1063642131.

It can be divided in two parts, 23500 and 6609, that multiplied together give a triangular number (155311500 = T₁₇₆₂₄).

The spelling of 235006609 in words is "two hundred thirty-five million, six thousand, six hundred nine".