248878541 has 4 divisors (see below), whose sum is σ = 249797184. Its totient is φ = 247959900.

The previous prime is 248878529. The next prime is 248878547. The reversal of 248878541 is 145878842.

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 248878541 - 2⁶ = 248878477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248878547) 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, 458915 + ... + 459456.

It is an arithmetic number, because the mean of its divisors is an integer number (62449296).

Almost surely, 2^248878541 is an apocalyptic number.

It is an amenable number.

248878541 is a deficient number, since it is larger than the sum of its proper divisors (918643).

248878541 is an equidigital number, since it uses as much as digits as its factorization.

248878541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918642.

The product of its digits is 573440, while the sum is 47.

The square root of 248878541 is about 15775.8847929363. The cubic root of 248878541 is about 629.0171463905.

The spelling of 248878541 in words is "two hundred forty-eight million, eight hundred seventy-eight thousand, five hundred forty-one".