9125613 has 18 divisors (see below), whose sum is σ = 15334254. Its totient is φ = 5214384.

The previous prime is 9125609. The next prime is 9125621. The reversal of 9125613 is 3165219.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 233289 = 2982^2 + 483^2 .

It is not a de Polignac number, because 9125613 - 2² = 9125609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9125113) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9906 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (851903).

Almost surely, 2^9125613 is an apocalyptic number.

It is an amenable number.

9125613 is a deficient number, since it is larger than the sum of its proper divisors (6208641).

9125613 is a wasteful number, since it uses less digits than its factorization.

9125613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20713 (or 20703 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 9125613 is about 3020.8629561766. The cubic root of 9125613 is about 208.9716390475.

The spelling of 9125613 in words is "nine million, one hundred twenty-five thousand, six hundred thirteen".