248354447 has 4 divisors (see below), whose sum is σ = 270932136. Its totient is φ = 225776760.

The previous prime is 248354443. The next prime is 248354459. The reversal of 248354447 is 744453842.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 248354447 - 2² = 248354443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248354443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11288828 + ... + 11288849.

It is an arithmetic number, because the mean of its divisors is an integer number (67733034).

Almost surely, 2^248354447 is an apocalyptic number.

248354447 is a deficient number, since it is larger than the sum of its proper divisors (22577689).

248354447 is a wasteful number, since it uses less digits than its factorization.

248354447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22577688.

The product of its digits is 430080, while the sum is 41.

The square root of 248354447 is about 15759.2654333887. The cubic root of 248354447 is about 628.5753033040.

The spelling of 248354447 in words is "two hundred forty-eight million, three hundred fifty-four thousand, four hundred forty-seven".