248440741 has 4 divisors (see below), whose sum is σ = 251232300. Its totient is φ = 245649184.

The previous prime is 248440729. The next prime is 248440747. The reversal of 248440741 is 147044842.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28037025 + 220403716 = 5295^2 + 14846^2 .

It is a cyclic number.

It is not a de Polignac number, because 248440741 - 2⁷ = 248440613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 248440697 and 248440706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248440747) 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, 1395646 + ... + 1395823.

It is an arithmetic number, because the mean of its divisors is an integer number (62808075).

Almost surely, 2^248440741 is an apocalyptic number.

It is an amenable number.

248440741 is a deficient number, since it is larger than the sum of its proper divisors (2791559).

248440741 is an equidigital number, since it uses as much as digits as its factorization.

248440741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791558.

The product of its (nonzero) digits is 28672, while the sum is 34.

The square root of 248440741 is about 15762.0030770204. The cubic root of 248440741 is about 628.6480971097.

The spelling of 248440741 in words is "two hundred forty-eight million, four hundred forty thousand, seven hundred forty-one".