10643625 has 24 divisors (see below), whose sum is σ = 19188936. Its totient is φ = 5676000.

The previous prime is 10643623. The next prime is 10643627. The reversal of 10643625 is 52634601.

10643625 is a `hidden beast` number, since 10 + 643 + 6 + 2 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (10643623) and next prime (10643627).

It can be written as a sum of positive squares in 4 ways, for example, as 68121 + 10575504 = 261^2 + 3252^2 .

It is not a de Polignac number, because 10643625 - 2¹ = 10643623 is a prime.

It is a super-2 number, since 2×10643625² = 226573506281250, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10643621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3606 + ... + 5855.

It is an arithmetic number, because the mean of its divisors is an integer number (799539).

Almost surely, 2^10643625 is an apocalyptic number.

10643625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10643625 is a deficient number, since it is larger than the sum of its proper divisors (8545311).

10643625 is an equidigital number, since it uses as much as digits as its factorization.

10643625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9469 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 10643625 is about 3262.4568962670. The cubic root of 10643625 is about 219.9698650184.

The spelling of 10643625 in words is "ten million, six hundred forty-three thousand, six hundred twenty-five".