2801131 has 4 divisors (see below), whose sum is σ = 2805712. Its totient is φ = 2796552.

The previous prime is 2801119. The next prime is 2801137. The reversal of 2801131 is 1311082.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311082 = 2 ⋅655541.

It is a cyclic number.

It is not a de Polignac number, because 2801131 - 2⁷ = 2801003 is a prime.

It is a super-2 number, since 2×2801131² = 15692669758322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2801137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (701428).

2^2801131 is an apocalyptic number.

2801131 is a deficient number, since it is larger than the sum of its proper divisors (4581).

2801131 is an equidigital number, since it uses as much as digits as its factorization.

2801131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4580.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 2801131 is about 1673.6579698373. The cubic root of 2801131 is about 140.9649494554.

The spelling of 2801131 in words is "two million, eight hundred one thousand, one hundred thirty-one".