248478571 has 4 divisors (see below), whose sum is σ = 271067544. Its totient is φ = 225889600.

The previous prime is 248478533. The next prime is 248478589. The reversal of 248478571 is 175874842.

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 248478571 - 2¹³ = 248470379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248478521) 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, 11294470 + ... + 11294491.

It is an arithmetic number, because the mean of its divisors is an integer number (67766886).

Almost surely, 2^248478571 is an apocalyptic number.

248478571 is a deficient number, since it is larger than the sum of its proper divisors (22588973).

248478571 is a wasteful number, since it uses less digits than its factorization.

248478571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22588972.

The product of its digits is 501760, while the sum is 46.

The square root of 248478571 is about 15763.2030691735. The cubic root of 248478571 is about 628.6800035118.

The spelling of 248478571 in words is "two hundred forty-eight million, four hundred seventy-eight thousand, five hundred seventy-one".