1000504979 has 2 divisors, whose sum is σ = 1000504980. Its totient is φ = 1000504978.

The previous prime is 1000504957. The next prime is 1000505041. The reversal of 1000504979 is 9794050001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000504979 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000504079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500252489 + 500252490.

It is an arithmetic number, because the mean of its divisors is an integer number (500252490).

Almost surely, 2^1000504979 is an apocalyptic number.

1000504979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000504979 is an equidigital number, since it uses as much as digits as its factorization.

1000504979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1000504979 is about 31630.7600130000. The cubic root of 1000504979 is about 1000.1682980075.

The spelling of 1000504979 in words is "one billion, five hundred four thousand, nine hundred seventy-nine".