248881771 has 4 divisors (see below), whose sum is σ = 251165200. Its totient is φ = 246598344.

The previous prime is 248881753. The next prime is 248881777. The reversal of 248881771 is 177188842.

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 248881771 - 2²³ = 240493163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248881777) 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, 1141551 + ... + 1141768.

It is an arithmetic number, because the mean of its divisors is an integer number (62791300).

Almost surely, 2^248881771 is an apocalyptic number.

248881771 is a deficient number, since it is larger than the sum of its proper divisors (2283429).

248881771 is a wasteful number, since it uses less digits than its factorization.

248881771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283428.

The product of its digits is 200704, while the sum is 46.

The square root of 248881771 is about 15775.9871640414. The cubic root of 248881771 is about 629.0198675526.

The spelling of 248881771 in words is "two hundred forty-eight million, eight hundred eighty-one thousand, seven hundred seventy-one".