248096581 has 8 divisors (see below), whose sum is σ = 256430840. Its totient is φ = 239848128.

The previous prime is 248096573. The next prime is 248096587. The reversal of 248096581 is 185690842.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33005025 + 215091556 = 5745^2 + 14666^2 .

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 248096581 - 2³ = 248096573 is a prime.

It is a super-2 number, since 2×248096581² = 123103827007779122, 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 (248096587) 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, 15546 + ... + 27163.

It is an arithmetic number, because the mean of its divisors is an integer number (32053855).

Almost surely, 2^248096581 is an apocalyptic number.

It is an amenable number.

248096581 is a deficient number, since it is larger than the sum of its proper divisors (8334259).

248096581 is a wasteful number, since it uses less digits than its factorization.

248096581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42903.

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 248096581 is about 15751.0818993490. The cubic root of 248096581 is about 628.3576784106.

The spelling of 248096581 in words is "two hundred forty-eight million, ninety-six thousand, five hundred eighty-one".