999710513 has 2 divisors, whose sum is σ = 999710514. Its totient is φ = 999710512.

The previous prime is 999710507. The next prime is 999710519. The reversal of 999710513 is 315017999.

It is a balanced prime because it is at equal distance from previous prime (999710507) and next prime (999710519).

It can be written as a sum of positive squares in only one way, i.e., 555639184 + 444071329 = 23572^2 + 21073^2 .

It is a cyclic number.

It is not a de Polignac number, because 999710513 - 2¹⁸ = 999448369 is a prime.

It is a super-2 number, since 2×999710513² = 1998842219605446338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (999710519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499855256 + 499855257.

It is an arithmetic number, because the mean of its divisors is an integer number (499855257).

Almost surely, 2^999710513 is an apocalyptic number.

It is an amenable number.

999710513 is a deficient number, since it is larger than the sum of its proper divisors (1).

999710513 is an equidigital number, since it uses as much as digits as its factorization.

999710513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 999710513 is about 31618.1990790114. The cubic root of 999710513 is about 999.9034950204.

The spelling of 999710513 in words is "nine hundred ninety-nine million, seven hundred ten thousand, five hundred thirteen".