2513822 has 4 divisors (see below), whose sum is σ = 3770736. Its totient is φ = 1256910.

The previous prime is 2513809. The next prime is 2513827. The reversal of 2513822 is 2283152.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513827) by changing a digit.

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, 628454 + ... + 628457.

It is an arithmetic number, because the mean of its divisors is an integer number (942684).

2^2513822 is an apocalyptic number.

2513822 is a deficient number, since it is larger than the sum of its proper divisors (1256914).

2513822 is a wasteful number, since it uses less digits than its factorization.

2513822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256913.

The product of its digits is 960, while the sum is 23.

The square root of 2513822 is about 1585.5037054514. The cubic root of 2513822 is about 135.9705458129.

Adding to 2513822 its reverse (2283152), we get a palindrome (4796974).

The spelling of 2513822 in words is "two million, five hundred thirteen thousand, eight hundred twenty-two".