1013024809 has 2 divisors, whose sum is σ = 1013024810. Its totient is φ = 1013024808.

The previous prime is 1013024807. The next prime is 1013024833. The reversal of 1013024809 is 9084203101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 860131584 + 152893225 = 29328^2 + 12365^2 .

It is an emirp because it is prime and its reverse (9084203101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013024809 - 2¹ = 1013024807 is a prime.

Together with 1013024807, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1013024807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506512404 + 506512405.

It is an arithmetic number, because the mean of its divisors is an integer number (506512405).

Almost surely, 2^1013024809 is an apocalyptic number.

It is an amenable number.

1013024809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013024809 is an equidigital number, since it uses as much as digits as its factorization.

1013024809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1013024809 is about 31828.0506628980. The cubic root of 1013024809 is about 1004.3228887054.

The spelling of 1013024809 in words is "one billion, thirteen million, twenty-four thousand, eight hundred nine".