263142653 has 2 divisors, whose sum is σ = 263142654. Its totient is φ = 263142652.

The previous prime is 263142629. The next prime is 263142661. The reversal of 263142653 is 356241362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251603044 + 11539609 = 15862^2 + 3397^2 .

It is a cyclic number.

It is not a de Polignac number, because 263142653 - 2¹⁶ = 263077117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (263142053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131571326 + 131571327.

It is an arithmetic number, because the mean of its divisors is an integer number (131571327).

Almost surely, 2^263142653 is an apocalyptic number.

It is an amenable number.

263142653 is a deficient number, since it is larger than the sum of its proper divisors (1).

263142653 is an equidigital number, since it uses as much as digits as its factorization.

263142653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 32.

The square root of 263142653 is about 16221.6723243937. The cubic root of 263142653 is about 640.8116760536.

The spelling of 263142653 in words is "two hundred sixty-three million, one hundred forty-two thousand, six hundred fifty-three".