2520548678 has 4 divisors (see below), whose sum is σ = 3780823020. Its totient is φ = 1260274338.

The previous prime is 2520548647. The next prime is 2520548687. The reversal of 2520548678 is 8768450252.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630137168 + ... + 630137171.

It is an arithmetic number, because the mean of its divisors is an integer number (945205755).

Almost surely, 2^2520548678 is an apocalyptic number.

2520548678 is a deficient number, since it is larger than the sum of its proper divisors (1260274342).

2520548678 is a wasteful number, since it uses less digits than its factorization.

2520548678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260274341.

The product of its (nonzero) digits is 1075200, while the sum is 47.

The square root of 2520548678 is about 50205.0662582971. The cubic root of 2520548678 is about 1360.9171794007.

The spelling of 2520548678 in words is "two billion, five hundred twenty million, five hundred forty-eight thousand, six hundred seventy-eight".