9618625 has 8 divisors (see below), whose sum is σ = 12004200. Its totient is φ = 7694800.

The previous prime is 9618619. The next prime is 9618643. The reversal of 9618625 is 5268169.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 9480241 = 372^2 + 3079^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9618625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38350 + ... + 38599.

It is an arithmetic number, because the mean of its divisors is an integer number (1500525).

Almost surely, 2^9618625 is an apocalyptic number.

It is an amenable number.

9618625 is a deficient number, since it is larger than the sum of its proper divisors (2385575).

9618625 is an equidigital number, since it uses as much as digits as its factorization.

9618625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76964 (or 76954 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 9618625 is about 3101.3908170368. The cubic root of 9618625 is about 212.6690696011.

It can be divided in two parts, 96 and 18625, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 9618625 in words is "nine million, six hundred eighteen thousand, six hundred twenty-five".