1253027539 has 2 divisors, whose sum is σ = 1253027540. Its totient is φ = 1253027538.

The previous prime is 1253027521. The next prime is 1253027623. The reversal of 1253027539 is 9357203521.

It is a weak prime.

It is an emirp because it is prime and its reverse (9357203521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1253027539 - 2¹³ = 1253019347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253027498 and 1253027507.

It is not a weakly prime, because it can be changed into another prime (1253027639) 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, 626513769 + 626513770.

It is an arithmetic number, because the mean of its divisors is an integer number (626513770).

Almost surely, 2^1253027539 is an apocalyptic number.

1253027539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253027539 is an equidigital number, since it uses as much as digits as its factorization.

1253027539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56700, while the sum is 37.

The square root of 1253027539 is about 35398.1290324785. The cubic root of 1253027539 is about 1078.0863284977.

The spelling of 1253027539 in words is "one billion, two hundred fifty-three million, twenty-seven thousand, five hundred thirty-nine".