2513782 has 4 divisors (see below), whose sum is σ = 3770676. Its totient is φ = 1256890.

The previous prime is 2513761. The next prime is 2513801. The reversal of 2513782 is 2873152.

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

It is a plaindrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 2513782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628444 + ... + 628447.

It is an arithmetic number, because the mean of its divisors is an integer number (942669).

2^2513782 is an apocalyptic number.

2513782 is a deficient number, since it is larger than the sum of its proper divisors (1256894).

2513782 is a wasteful number, since it uses less digits than its factorization.

2513782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256893.

The product of its digits is 3360, while the sum is 28.

The square root of 2513782 is about 1585.4910911134. The cubic root of 2513782 is about 135.9698246201.

The spelling of 2513782 in words is "two million, five hundred thirteen thousand, seven hundred eighty-two".