248263481 has 4 divisors (see below), whose sum is σ = 261330000. Its totient is φ = 235196964.

The previous prime is 248263439. The next prime is 248263489. The reversal of 248263481 is 184362842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 248263481 - 2¹⁰ = 248262457 is a prime.

It is a super-2 number, since 2×248263481² = 123269511996474722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (248263489) 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, 6533231 + ... + 6533268.

It is an arithmetic number, because the mean of its divisors is an integer number (65332500).

Almost surely, 2^248263481 is an apocalyptic number.

It is an amenable number.

248263481 is a deficient number, since it is larger than the sum of its proper divisors (13066519).

248263481 is a wasteful number, since it uses less digits than its factorization.

248263481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13066518.

The product of its digits is 73728, while the sum is 38.

The square root of 248263481 is about 15756.3790573850. The cubic root of 248263481 is about 628.4985501471.

The spelling of 248263481 in words is "two hundred forty-eight million, two hundred sixty-three thousand, four hundred eighty-one".