235742237 has 2 divisors, whose sum is σ = 235742238. Its totient is φ = 235742236.

The previous prime is 235742219. The next prime is 235742261. The reversal of 235742237 is 732247532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211673401 + 24068836 = 14549^2 + 4906^2 .

It is a cyclic number.

It is not a de Polignac number, because 235742237 - 2⁸ = 235741981 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235742197 and 235742206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235742267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117871118 + 117871119.

It is an arithmetic number, because the mean of its divisors is an integer number (117871119).

Almost surely, 2^235742237 is an apocalyptic number.

It is an amenable number.

235742237 is a deficient number, since it is larger than the sum of its proper divisors (1).

235742237 is an equidigital number, since it uses as much as digits as its factorization.

235742237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 35.

The square root of 235742237 is about 15353.8997326412. The cubic root of 235742237 is about 617.7495913337.

Adding to 235742237 its reverse (732247532), we get a palindrome (967989769).

The spelling of 235742237 in words is "two hundred thirty-five million, seven hundred forty-two thousand, two hundred thirty-seven".