248416961 has 4 divisors (see below), whose sum is σ = 267525972. Its totient is φ = 229307952.

The previous prime is 248416957. The next prime is 248416967. The reversal of 248416961 is 169614842.

248416961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169614842 = 2 ⋅84807421.

It can be written as a sum of positive squares in 2 ways, for example, as 95746225 + 152670736 = 9785^2 + 12356^2 .

It is a cyclic number.

It is not a de Polignac number, because 248416961 - 2² = 248416957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248416967) 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, 9554486 + ... + 9554511.

It is an arithmetic number, because the mean of its divisors is an integer number (66881493).

Almost surely, 2^248416961 is an apocalyptic number.

It is an amenable number.

248416961 is a deficient number, since it is larger than the sum of its proper divisors (19109011).

248416961 is a wasteful number, since it uses less digits than its factorization.

248416961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19109010.

The product of its digits is 82944, while the sum is 41.

The square root of 248416961 is about 15761.2487132207. The cubic root of 248416961 is about 628.6280390351.

The spelling of 248416961 in words is "two hundred forty-eight million, four hundred sixteen thousand, nine hundred sixty-one".