235891049 has 2 divisors, whose sum is σ = 235891050. Its totient is φ = 235891048.

The previous prime is 235891009. The next prime is 235891067. The reversal of 235891049 is 940198532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159643225 + 76247824 = 12635^2 + 8732^2 .

It is a cyclic number.

It is not a de Polignac number, because 235891049 - 2¹² = 235886953 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235890997 and 235891015.

It is not a weakly prime, because it can be changed into another prime (235891009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117945524 + 117945525.

It is an arithmetic number, because the mean of its divisors is an integer number (117945525).

Almost surely, 2^235891049 is an apocalyptic number.

It is an amenable number.

235891049 is a deficient number, since it is larger than the sum of its proper divisors (1).

235891049 is an equidigital number, since it uses as much as digits as its factorization.

235891049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 235891049 is about 15358.7450333678. The cubic root of 235891049 is about 617.8795485515.

The spelling of 235891049 in words is "two hundred thirty-five million, eight hundred ninety-one thousand, forty-nine".