9620513 has 6 divisors (see below), whose sum is σ = 11191266. Its totient is φ = 8246112.

The previous prime is 9620497. The next prime is 9620531. The reversal of 9620513 is 3150269.

It can be written as a sum of positive squares in only one way, i.e., 9314704 + 305809 = 3052^2 + 553^2 .

It is not a de Polignac number, because 9620513 - 2⁴ = 9620497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9620543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 98120 + ... + 98217.

It is an arithmetic number, because the mean of its divisors is an integer number (1865211).

Almost surely, 2^9620513 is an apocalyptic number.

It is an amenable number.

9620513 is a deficient number, since it is larger than the sum of its proper divisors (1570753).

9620513 is a wasteful number, since it uses less digits than its factorization.

9620513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196351 (or 196344 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 9620513 is about 3101.6951816708. The cubic root of 9620513 is about 212.6829833340.

The spelling of 9620513 in words is "nine million, six hundred twenty thousand, five hundred thirteen".