2718125 has 10 divisors (see below), whose sum is σ = 3397350. Its totient is φ = 2174000.

The previous prime is 2718109. The next prime is 2718127. The reversal of 2718125 is 5218172.

It can be written as a sum of positive squares in 5 ways, for example, as 1909924 + 808201 = 1382^2 + 899^2 .

It is not a de Polignac number, because 2718125 - 2⁴ = 2718109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2718094 and 2718103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2718127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1550 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (339735).

2^2718125 is an apocalyptic number.

2718125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2718125 is a deficient number, since it is larger than the sum of its proper divisors (679225).

2718125 is an frugal number, since it uses more digits than its factorization.

2718125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4354 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 2718125 is about 1648.6737093798. The cubic root of 2718125 is about 139.5585585098.

The spelling of 2718125 in words is "two million, seven hundred eighteen thousand, one hundred twenty-five".