2573259378 has 16 divisors (see below), whose sum is σ = 5323985280. Its totient is φ = 828175376.

The previous prime is 2573259347. The next prime is 2573259379. The reversal of 2573259378 is 8739523752.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2573259378.

It is not an unprimeable number, because it can be changed into a prime (2573259379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7394250 + ... + 7394597.

It is an arithmetic number, because the mean of its divisors is an integer number (332749080).

Almost surely, 2^2573259378 is an apocalyptic number.

2573259378 is an abundant number, since it is smaller than the sum of its proper divisors (2750725902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2573259378 is a wasteful number, since it uses less digits than its factorization.

2573259378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14788881.

The product of its digits is 3175200, while the sum is 51.

The square root of 2573259378 is about 50727.3040679278. The cubic root of 2573259378 is about 1370.3384849255.

The spelling of 2573259378 in words is "two billion, five hundred seventy-three million, two hundred fifty-nine thousand, three hundred seventy-eight".