1253332439 has 2 divisors, whose sum is σ = 1253332440. Its totient is φ = 1253332438.

The previous prime is 1253332433. The next prime is 1253332471. The reversal of 1253332439 is 9342333521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1253332439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253332399 and 1253332408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253332433) 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, 626666219 + 626666220.

It is an arithmetic number, because the mean of its divisors is an integer number (626666220).

Almost surely, 2^1253332439 is an apocalyptic number.

1253332439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253332439 is an equidigital number, since it uses as much as digits as its factorization.

1253332439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 35.

The square root of 1253332439 is about 35402.4354953159. The cubic root of 1253332439 is about 1078.1737652201.

The spelling of 1253332439 in words is "one billion, two hundred fifty-three million, three hundred thirty-two thousand, four hundred thirty-nine".