1000479539 has 2 divisors, whose sum is σ = 1000479540. Its totient is φ = 1000479538.

The previous prime is 1000479511. The next prime is 1000479541. The reversal of 1000479539 is 9359740001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000479539 is a prime.

Together with 1000479541, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1000479559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500239769 + 500239770.

It is an arithmetic number, because the mean of its divisors is an integer number (500239770).

Almost surely, 2^1000479539 is an apocalyptic number.

1000479539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000479539 is an equidigital number, since it uses as much as digits as its factorization.

1000479539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 1000479539 is about 31630.3578702486. The cubic root of 1000479539 is about 1000.1598207893.

The spelling of 1000479539 in words is "one billion, four hundred seventy-nine thousand, five hundred thirty-nine".