235165457 has 2 divisors, whose sum is σ = 235165458. Its totient is φ = 235165456.

The previous prime is 235165391. The next prime is 235165459. The reversal of 235165457 is 754561532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210801361 + 24364096 = 14519^2 + 4936^2 .

It is a cyclic number.

It is not a de Polignac number, because 235165457 - 2⁸ = 235165201 is a prime.

Together with 235165459, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 235165457.

It is not a weakly prime, because it can be changed into another prime (235165459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117582728 + 117582729.

It is an arithmetic number, because the mean of its divisors is an integer number (117582729).

Almost surely, 2^235165457 is an apocalyptic number.

It is an amenable number.

235165457 is a deficient number, since it is larger than the sum of its proper divisors (1).

235165457 is an equidigital number, since it uses as much as digits as its factorization.

235165457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 38.

The square root of 235165457 is about 15335.1053794879. The cubic root of 235165457 is about 617.2453731176.

The spelling of 235165457 in words is "two hundred thirty-five million, one hundred sixty-five thousand, four hundred fifty-seven".