2116725 has 36 divisors (see below), whose sum is σ = 3812256. Its totient is φ = 1035840.

The previous prime is 2116717. The next prime is 2116729. The reversal of 2116725 is 5276112.

It is not a de Polignac number, because 2116725 - 2³ = 2116717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2116695 and 2116704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12592 + ... + 12758.

It is an arithmetic number, because the mean of its divisors is an integer number (105896).

2^2116725 is an apocalyptic number.

2116725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2116725 is a deficient number, since it is larger than the sum of its proper divisors (1695531).

2116725 is a wasteful number, since it uses less digits than its factorization.

2116725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206 (or 188 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 2116725 is about 1454.8969035640. The cubic root of 2116725 is about 128.3969812277.

The spelling of 2116725 in words is "two million, one hundred sixteen thousand, seven hundred twenty-five".