505232137 has 2 divisors, whose sum is σ = 505232138. Its totient is φ = 505232136.

The previous prime is 505232089. The next prime is 505232177. The reversal of 505232137 is 731232505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311910921 + 193321216 = 17661^2 + 13904^2 .

It is a cyclic number.

It is not a de Polignac number, because 505232137 - 2⁷ = 505232009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (505232177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252616068 + 252616069.

It is an arithmetic number, because the mean of its divisors is an integer number (252616069).

Almost surely, 2^505232137 is an apocalyptic number.

It is an amenable number.

505232137 is a deficient number, since it is larger than the sum of its proper divisors (1).

505232137 is an equidigital number, since it uses as much as digits as its factorization.

505232137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 505232137 is about 22477.3694412847. The cubic root of 505232137 is about 796.4594248803.

The spelling of 505232137 in words is "five hundred five million, two hundred thirty-two thousand, one hundred thirty-seven".