248881665 has 32 divisors (see below), whose sum is σ = 421125120. Its totient is φ = 125164224.

The previous prime is 248881663. The next prime is 248881669. The reversal of 248881665 is 566188842.

It is a happy number.

It is not a de Polignac number, because 248881665 - 2¹ = 248881663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248881663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62772 + ... + 66618.

It is an arithmetic number, because the mean of its divisors is an integer number (13160160).

Almost surely, 2^248881665 is an apocalyptic number.

It is an amenable number.

248881665 is a deficient number, since it is larger than the sum of its proper divisors (172243455).

248881665 is a wasteful number, since it uses less digits than its factorization.

248881665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101.

The product of its digits is 737280, while the sum is 48.

The square root of 248881665 is about 15775.9838045049. The cubic root of 248881665 is about 629.0197782517.

The spelling of 248881665 in words is "two hundred forty-eight million, eight hundred eighty-one thousand, six hundred sixty-five".