1013235539 has 2 divisors, whose sum is σ = 1013235540. Its totient is φ = 1013235538.

The previous prime is 1013235523. The next prime is 1013235599. The reversal of 1013235539 is 9355323101.

It is a weak prime.

It is an emirp because it is prime and its reverse (9355323101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013235539 - 2⁴ = 1013235523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1013235599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506617769 + 506617770.

It is an arithmetic number, because the mean of its divisors is an integer number (506617770).

Almost surely, 2^1013235539 is an apocalyptic number.

1013235539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013235539 is an equidigital number, since it uses as much as digits as its factorization.

1013235539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 1013235539 is about 31831.3609354046. The cubic root of 1013235539 is about 1004.3925238177.

The spelling of 1013235539 in words is "one billion, thirteen million, two hundred thirty-five thousand, five hundred thirty-nine".