235865057 has 2 divisors, whose sum is σ = 235865058. Its totient is φ = 235865056.

The previous prime is 235865039. The next prime is 235865083. The reversal of 235865057 is 750568532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200533921 + 35331136 = 14161^2 + 5944^2 .

It is a cyclic number.

It is not a de Polignac number, because 235865057 - 2¹⁰ = 235864033 is a prime.

It is a super-2 number, since 2×235865057² = 111264650227226498, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (235865027) 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, 117932528 + 117932529.

It is an arithmetic number, because the mean of its divisors is an integer number (117932529).

Almost surely, 2^235865057 is an apocalyptic number.

It is an amenable number.

235865057 is a deficient number, since it is larger than the sum of its proper divisors (1).

235865057 is an equidigital number, since it uses as much as digits as its factorization.

235865057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 41.

The square root of 235865057 is about 15357.8988471731. The cubic root of 235865057 is about 617.8568537308.

The spelling of 235865057 in words is "two hundred thirty-five million, eight hundred sixty-five thousand, fifty-seven".