2116625 has 32 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 1392000.

The previous prime is 2116607. The next prime is 2116627. The reversal of 2116625 is 5266112.

It is not a de Polignac number, because 2116625 - 2⁶ = 2116561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2116625.

It is not an unprimeable number, because it can be changed into a prime (2116627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35846 + ... + 35904.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

2^2116625 is an apocalyptic number.

2116625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2116625 is a deficient number, since it is larger than the sum of its proper divisors (1028335).

2116625 is an equidigital number, since it uses as much as digits as its factorization.

2116625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 112 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 2116625 is about 1454.8625364618. The cubic root of 2116625 is about 128.3949592519.

It can be divided in two parts, 2116 and 625, that multiplied together give a square (1322500 = 1150²).

The spelling of 2116625 in words is "two million, one hundred sixteen thousand, six hundred twenty-five".