2513783 has 4 divisors (see below), whose sum is σ = 2518248. Its totient is φ = 2509320.

The previous prime is 2513761. The next prime is 2513801. The reversal of 2513783 is 3873152.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2513783 - 2⁸ = 2513527 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513723) 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, 1241 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (629562).

2^2513783 is an apocalyptic number.

2513783 is a deficient number, since it is larger than the sum of its proper divisors (4465).

2513783 is an equidigital number, since it uses as much as digits as its factorization.

2513783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464.

The product of its digits is 5040, while the sum is 29.

The square root of 2513783 is about 1585.4914064731. The cubic root of 2513783 is about 135.9698426500.

The spelling of 2513783 in words is "two million, five hundred thirteen thousand, seven hundred eighty-three".