248217311 has 16 divisors (see below), whose sum is σ = 273369600. Its totient is φ = 224329248.

The previous prime is 248217287. The next prime is 248217317. The reversal of 248217311 is 113712842.

It is a cyclic number.

It is not a de Polignac number, because 248217311 - 2⁶ = 248217247 is a prime.

It is a super-2 number, since 2×248217311² = 123223666960141442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248217317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295430 + ... + 296268.

It is an arithmetic number, because the mean of its divisors is an integer number (17085600).

Almost surely, 2^248217311 is an apocalyptic number.

248217311 is a deficient number, since it is larger than the sum of its proper divisors (25152289).

248217311 is a wasteful number, since it uses less digits than its factorization.

248217311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558.

The product of its digits is 2688, while the sum is 29.

The square root of 248217311 is about 15754.9138683777. The cubic root of 248217311 is about 628.4595867348.

The spelling of 248217311 in words is "two hundred forty-eight million, two hundred seventeen thousand, three hundred eleven".