1253763827 has 2 divisors, whose sum is σ = 1253763828. Its totient is φ = 1253763826.

The previous prime is 1253763809. The next prime is 1253763851. The reversal of 1253763827 is 7283673521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1253763827 - 2⁸ = 1253763571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253703827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626881913 + 626881914.

It is an arithmetic number, because the mean of its divisors is an integer number (626881914).

Almost surely, 2^1253763827 is an apocalyptic number.

1253763827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253763827 is an equidigital number, since it uses as much as digits as its factorization.

1253763827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 44.

The square root of 1253763827 is about 35408.5276028247. The cubic root of 1253763827 is about 1078.2974509126.

The spelling of 1253763827 in words is "one billion, two hundred fifty-three million, seven hundred sixty-three thousand, eight hundred twenty-seven".