248066981 has 8 divisors (see below), whose sum is σ = 257156640. Its totient is φ = 239102928.

The previous prime is 248066963. The next prime is 248066989. The reversal of 248066981 is 189660842.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 248066981 - 2¹⁴ = 248050597 is a prime.

It is a super-2 number, since 2×248066981² = 123074454124908722, 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 (248066989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27371 + ... + 35288.

It is an arithmetic number, because the mean of its divisors is an integer number (32144580).

Almost surely, 2^248066981 is an apocalyptic number.

It is an amenable number.

248066981 is a deficient number, since it is larger than the sum of its proper divisors (9089659).

248066981 is a wasteful number, since it uses less digits than its factorization.

248066981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62803.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 248066981 is about 15750.1422533258. The cubic root of 248066981 is about 628.3326879722.

The spelling of 248066981 in words is "two hundred forty-eight million, sixty-six thousand, nine hundred eighty-one".