253755763 has 2 divisors, whose sum is σ = 253755764. Its totient is φ = 253755762.

The previous prime is 253755737. The next prime is 253755769. The reversal of 253755763 is 367557352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253755763 is a prime.

It is not a weakly prime, because it can be changed into another prime (253755769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126877881 + 126877882.

It is an arithmetic number, because the mean of its divisors is an integer number (126877882).

Almost surely, 2^253755763 is an apocalyptic number.

253755763 is a deficient number, since it is larger than the sum of its proper divisors (1).

253755763 is an equidigital number, since it uses as much as digits as its factorization.

253755763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 661500, while the sum is 43.

The square root of 253755763 is about 15929.7132114800. The cubic root of 253755763 is about 633.0995012740.

The spelling of 253755763 in words is "two hundred fifty-three million, seven hundred fifty-five thousand, seven hundred sixty-three".