9959513 has 2 divisors, whose sum is σ = 9959514. Its totient is φ = 9959512.

The previous prime is 9959497. The next prime is 9959533. The reversal of 9959513 is 3159599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 644809 = 3052^2 + 803^2 .

It is a cyclic number.

It is not a de Polignac number, because 9959513 - 2⁴ = 9959497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9959533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4979756 + 4979757.

It is an arithmetic number, because the mean of its divisors is an integer number (4979757).

Almost surely, 2^9959513 is an apocalyptic number.

It is an amenable number.

9959513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9959513 is an equidigital number, since it uses as much as digits as its factorization.

9959513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54675, while the sum is 41.

The square root of 9959513 is about 3155.8696107412. The cubic root of 9959513 is about 215.1523204002.

The spelling of 9959513 in words is "nine million, nine hundred fifty-nine thousand, five hundred thirteen".