2311825 has 24 divisors (see below), whose sum is σ = 3134720. Its totient is φ = 1684800.

The previous prime is 2311823. The next prime is 2311843. The reversal of 2311825 is 5281132.

It is not a de Polignac number, because 2311825 - 2¹ = 2311823 is a prime.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 2311796 and 2311805.

It is not an unprimeable number, because it can be changed into a prime (2311823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14647 + ... + 14803.

2^2311825 is an apocalyptic number.

2311825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2311825 is a deficient number, since it is larger than the sum of its proper divisors (822895).

2311825 is a wasteful number, since it uses less digits than its factorization.

2311825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 212 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 2311825 is about 1520.4686777438. The cubic root of 2311825 is about 132.2264440376.

Adding to 2311825 its reverse (5281132), we get a palindrome (7592957).

It can be divided in two parts, 2311 and 825, that added together give a square (3136 = 56²).

The spelling of 2311825 in words is "two million, three hundred eleven thousand, eight hundred twenty-five".