2163625 has 16 divisors (see below), whose sum is σ = 2845440. Its totient is φ = 1638000.

The previous prime is 2163613. The next prime is 2163653. The reversal of 2163625 is 5263612.

It is not a de Polignac number, because 2163625 - 2⁵ = 2163593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a d-powerful number, because it can be written as 2⁹ + 1 + 6² + 3¹¹ + 6² + 2¹⁵ + 5⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 2163625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1920 + ... + 2830.

It is an arithmetic number, because the mean of its divisors is an integer number (177840).

2^2163625 is an apocalyptic number.

2163625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2163625 is a deficient number, since it is larger than the sum of its proper divisors (681815).

2163625 is an equidigital number, since it uses as much as digits as its factorization.

2163625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945 (or 935 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 2163625 is about 1470.9265787251. The cubic root of 2163625 is about 129.3383541880.

The spelling of 2163625 in words is "two million, one hundred sixty-three thousand, six hundred twenty-five".