2375881 has 8 divisors (see below), whose sum is σ = 2461640. Its totient is φ = 2291328.

The previous prime is 2375843. The next prime is 2375917. The reversal of 2375881 is 1885732.

It can be written as a sum of positive squares in 4 ways, for example, as 1121481 + 1254400 = 1059^2 + 1120^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2375881 is a prime.

It is a super-2 number, since 2×2375881² = 11289621052322, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (2375981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5605 + ... + 6013.

It is an arithmetic number, because the mean of its divisors is an integer number (307705).

2^2375881 is an apocalyptic number.

It is an amenable number.

2375881 is a deficient number, since it is larger than the sum of its proper divisors (85759).

2375881 is a wasteful number, since it uses less digits than its factorization.

2375881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603.

The product of its digits is 13440, while the sum is 34.

The square root of 2375881 is about 1541.3893083838. The cubic root of 2375881 is about 133.4365776728.

The spelling of 2375881 in words is "two million, three hundred seventy-five thousand, eight hundred eighty-one".