235041509 has 2 divisors, whose sum is σ = 235041510. Its totient is φ = 235041508.

The previous prime is 235041503. The next prime is 235041523. The reversal of 235041509 is 905140532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127193284 + 107848225 = 11278^2 + 10385^2 .

It is a cyclic number.

It is not a de Polignac number, because 235041509 - 2¹⁶ = 234975973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235041503) 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, 117520754 + 117520755.

It is an arithmetic number, because the mean of its divisors is an integer number (117520755).

Almost surely, 2^235041509 is an apocalyptic number.

It is an amenable number.

235041509 is a deficient number, since it is larger than the sum of its proper divisors (1).

235041509 is an equidigital number, since it uses as much as digits as its factorization.

235041509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 235041509 is about 15331.0635312753. The cubic root of 235041509 is about 617.1369107953.

The spelling of 235041509 in words is "two hundred thirty-five million, forty-one thousand, five hundred nine".