2478013 has 4 divisors (see below), whose sum is σ = 2501280. Its totient is φ = 2454748.

The previous prime is 2478011. The next prime is 2478017. The reversal of 2478013 is 3108742.

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 2478013 - 2¹ = 2478011 is a prime.

It is a super-2 number, since 2×2478013² = 12281096856338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2478011) 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, 11473 + ... + 11686.

It is an arithmetic number, because the mean of its divisors is an integer number (625320).

2^2478013 is an apocalyptic number.

It is an amenable number.

2478013 is a deficient number, since it is larger than the sum of its proper divisors (23267).

2478013 is a wasteful number, since it uses less digits than its factorization.

2478013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23266.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2478013 is about 1574.1705752554. The cubic root of 2478013 is about 135.3218293397.

The spelling of 2478013 in words is "two million, four hundred seventy-eight thousand, thirteen".