235532137 has 2 divisors, whose sum is σ = 235532138. Its totient is φ = 235532136.

The previous prime is 235532131. The next prime is 235532207. The reversal of 235532137 is 731235532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222129216 + 13402921 = 14904^2 + 3661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235532137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 235532099 and 235532108.

It is not a weakly prime, because it can be changed into another prime (235532131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117766068 + 117766069.

It is an arithmetic number, because the mean of its divisors is an integer number (117766069).

Almost surely, 2^235532137 is an apocalyptic number.

It is an amenable number.

235532137 is a deficient number, since it is larger than the sum of its proper divisors (1).

235532137 is an equidigital number, since it uses as much as digits as its factorization.

235532137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 31.

The square root of 235532137 is about 15347.0562975445. The cubic root of 235532137 is about 617.5660182821.

Adding to 235532137 its reverse (731235532), we get a palindrome (966767669).

The spelling of 235532137 in words is "two hundred thirty-five million, five hundred thirty-two thousand, one hundred thirty-seven".