2314781 has 4 divisors (see below), whose sum is σ = 2645472. Its totient is φ = 1984092.

The previous prime is 2314777. The next prime is 2314811. The reversal of 2314781 is 1874132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2314781 - 2² = 2314777 is a prime.

It is a super-2 number, since 2×2314781² = 10716422155922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2314781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2314721) 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, 165335 + ... + 165348.

It is an arithmetic number, because the mean of its divisors is an integer number (661368).

2^2314781 is an apocalyptic number.

It is an amenable number.

2314781 is a deficient number, since it is larger than the sum of its proper divisors (330691).

2314781 is an equidigital number, since it uses as much as digits as its factorization.

2314781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330690.

The product of its digits is 1344, while the sum is 26.

The square root of 2314781 is about 1521.4404359028. The cubic root of 2314781 is about 132.2827768621.

The spelling of 2314781 in words is "two million, three hundred fourteen thousand, seven hundred eighty-one".