2731825 has 12 divisors (see below), whose sum is σ = 3535488. Its totient is φ = 2090000.

The previous prime is 2731823. The next prime is 2731831. The reversal of 2731825 is 5281372.

It is not a de Polignac number, because 2731825 - 2¹ = 2731823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2731793 and 2731802.

It is not an unprimeable number, because it can be changed into a prime (2731823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1801 + ... + 2950.

It is an arithmetic number, because the mean of its divisors is an integer number (294624).

2^2731825 is an apocalyptic number.

2731825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2731825 is a deficient number, since it is larger than the sum of its proper divisors (803663).

2731825 is a wasteful number, since it uses less digits than its factorization.

2731825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784 (or 4779 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 2731825 is about 1652.8233420423. The cubic root of 2731825 is about 139.7926351845.

The spelling of 2731825 in words is "two million, seven hundred thirty-one thousand, eight hundred twenty-five".