2785481 has 4 divisors (see below), whose sum is σ = 2793600. Its totient is φ = 2777364.

The previous prime is 2785469. The next prime is 2785483. The reversal of 2785481 is 1845872.

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 2785481 - 2¹⁴ = 2769097 is a prime.

It is a super-2 number, since 2×2785481² = 15517808802722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2785483) 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, 3521 + ... + 4238.

It is an arithmetic number, because the mean of its divisors is an integer number (698400).

2^2785481 is an apocalyptic number.

It is an amenable number.

2785481 is a deficient number, since it is larger than the sum of its proper divisors (8119).

2785481 is an equidigital number, since it uses as much as digits as its factorization.

2785481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8118.

The product of its digits is 17920, while the sum is 35.

The square root of 2785481 is about 1668.9760333809. The cubic root of 2785481 is about 140.7019339358.

The spelling of 2785481 in words is "two million, seven hundred eighty-five thousand, four hundred eighty-one".