2513278 has 8 divisors (see below), whose sum is σ = 3850272. Its totient is φ = 1229856.

The previous prime is 2513249. The next prime is 2513281. The reversal of 2513278 is 8723152.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2²⁰ + 5⁷ + 1 + 3¹⁰ + 2²⁰ + 7⁵ + 8⁶ .

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 in 3 ways as a sum of consecutive naturals, for example, 13275 + ... + 13462.

It is an arithmetic number, because the mean of its divisors is an integer number (481284).

2^2513278 is an apocalyptic number.

2513278 is a deficient number, since it is larger than the sum of its proper divisors (1336994).

2513278 is a wasteful number, since it uses less digits than its factorization.

2513278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26786.

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

The square root of 2513278 is about 1585.3321418555. The cubic root of 2513278 is about 135.9607369358.

The spelling of 2513278 in words is "two million, five hundred thirteen thousand, two hundred seventy-eight".