248378433 has 4 divisors (see below), whose sum is σ = 331171248. Its totient is φ = 165585620.

The previous prime is 248378419. The next prime is 248378443. The reversal of 248378433 is 334873842.

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 248378433 - 2⁵ = 248378401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (248378443) 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, 41396403 + ... + 41396408.

It is an arithmetic number, because the mean of its divisors is an integer number (82792812).

Almost surely, 2^248378433 is an apocalyptic number.

It is an amenable number.

248378433 is a deficient number, since it is larger than the sum of its proper divisors (82792815).

248378433 is an equidigital number, since it uses as much as digits as its factorization.

248378433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82792814.

The product of its digits is 387072, while the sum is 42.

The square root of 248378433 is about 15760.0264276428. The cubic root of 248378433 is about 628.5955385257.

The spelling of 248378433 in words is "two hundred forty-eight million, three hundred seventy-eight thousand, four hundred thirty-three".