2508378571 has 4 divisors (see below), whose sum is σ = 2526424600. Its totient is φ = 2490332544.

The previous prime is 2508378563. The next prime is 2508378583. The reversal of 2508378571 is 1758738052.

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

It is a cyclic number.

It is not a de Polignac number, because 2508378571 - 2³ = 2508378563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2508378071) 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, 9022806 + ... + 9023083.

It is an arithmetic number, because the mean of its divisors is an integer number (631606150).

Almost surely, 2^2508378571 is an apocalyptic number.

2508378571 is a deficient number, since it is larger than the sum of its proper divisors (18046029).

2508378571 is a wasteful number, since it uses less digits than its factorization.

2508378571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18046028.

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 2508378571 is about 50083.7156269381. The cubic root of 2508378571 is about 1358.7233136849.

The spelling of 2508378571 in words is "two billion, five hundred eight million, three hundred seventy-eight thousand, five hundred seventy-one".