1253379767 has 2 divisors, whose sum is σ = 1253379768. Its totient is φ = 1253379766.

The previous prime is 1253379761. The next prime is 1253379769. The reversal of 1253379767 is 7679733521.

It is a strong prime.

It is an emirp because it is prime and its reverse (7679733521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253379767 - 2¹⁰ = 1253378743 is a prime.

Together with 1253379769, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253379761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626689883 + 626689884.

It is an arithmetic number, because the mean of its divisors is an integer number (626689884).

Almost surely, 2^1253379767 is an apocalyptic number.

1253379767 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253379767 is an equidigital number, since it uses as much as digits as its factorization.

1253379767 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1666980, while the sum is 50.

The square root of 1253379767 is about 35403.1039175946. The cubic root of 1253379767 is about 1078.1873362845.

The spelling of 1253379767 in words is "one billion, two hundred fifty-three million, three hundred seventy-nine thousand, seven hundred sixty-seven".