248329091 has 4 divisors (see below), whose sum is σ = 259126032. Its totient is φ = 237532152.

The previous prime is 248329073. The next prime is 248329093. The reversal of 248329091 is 190923842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 190923842 = 2 ⋅95461921.

It is a cyclic number.

It is not a de Polignac number, because 248329091 - 2¹⁸ = 248066947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (248329093) 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, 5398436 + ... + 5398481.

It is an arithmetic number, because the mean of its divisors is an integer number (64781508).

Almost surely, 2^248329091 is an apocalyptic number.

248329091 is a deficient number, since it is larger than the sum of its proper divisors (10796941).

248329091 is a wasteful number, since it uses less digits than its factorization.

248329091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10796940.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 248329091 is about 15758.4609337333. The cubic root of 248329091 is about 628.5539108976.

The spelling of 248329091 in words is "two hundred forty-eight million, three hundred twenty-nine thousand, ninety-one".