2381825 has 6 divisors (see below), whose sum is σ = 2953494. Its totient is φ = 1905440.

The previous prime is 2381807. The next prime is 2381839. The reversal of 2381825 is 5281832.

It can be written as a sum of positive squares in 3 ways, for example, as 628849 + 1752976 = 793^2 + 1324^2 .

It is not a de Polignac number, because 2381825 - 2⁸ = 2381569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47612 + ... + 47661.

It is an arithmetic number, because the mean of its divisors is an integer number (492249).

It is a Proth number, since it is equal to 1163 ⋅ 2¹¹ + 1 and 1163 < 2¹¹.

2^2381825 is an apocalyptic number.

2381825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2381825 is a deficient number, since it is larger than the sum of its proper divisors (571669).

2381825 is an equidigital number, since it uses as much as digits as its factorization.

2381825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95283 (or 95278 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 2381825 is about 1543.3162346065. The cubic root of 2381825 is about 133.5477626047.

The spelling of 2381825 in words is "two million, three hundred eighty-one thousand, eight hundred twenty-five".