9625645 has 4 divisors (see below), whose sum is σ = 11550780. Its totient is φ = 7700512.

The previous prime is 9625643. The next prime is 9625657. The reversal of 9625645 is 5465269.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5465269 = 31 ⋅176299.

It can be written as a sum of positive squares in 2 ways, for example, as 6482116 + 3143529 = 2546^2 + 1773^2 .

It is a cyclic number.

It is not a de Polignac number, because 9625645 - 2¹ = 9625643 is a prime.

It is a super-3 number, since 3×9625645³ (a number of 22 digits) contains 333 as substring.

9625645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9625643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962560 + ... + 962569.

It is an arithmetic number, because the mean of its divisors is an integer number (2887695).

Almost surely, 2^9625645 is an apocalyptic number.

It is an amenable number.

9625645 is a deficient number, since it is larger than the sum of its proper divisors (1925135).

9625645 is a wasteful number, since it uses less digits than its factorization.

9625645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925134.

The product of its digits is 64800, while the sum is 37.

The square root of 9625645 is about 3102.5223609186. The cubic root of 9625645 is about 212.7207947288.

The spelling of 9625645 in words is "nine million, six hundred twenty-five thousand, six hundred forty-five".