1000207513 has 2 divisors, whose sum is σ = 1000207514. Its totient is φ = 1000207512.

The previous prime is 1000207493. The next prime is 1000207531. The reversal of 1000207513 is 3157020001.

Together with next prime (1000207531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 506790144 + 493417369 = 22512^2 + 22213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000207513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000207583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500103756 + 500103757.

It is an arithmetic number, because the mean of its divisors is an integer number (500103757).

Almost surely, 2^1000207513 is an apocalyptic number.

It is an amenable number.

1000207513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000207513 is an equidigital number, since it uses as much as digits as its factorization.

1000207513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1000207513 is about 31626.0575001058. The cubic root of 1000207513 is about 1000.0691662159.

Adding to 1000207513 its reverse (3157020001), we get a palindrome (4157227514).

The spelling of 1000207513 in words is "one billion, two hundred seven thousand, five hundred thirteen".