249368741 has 4 divisors (see below), whose sum is σ = 249425484. Its totient is φ = 249312000.

The previous prime is 249368719. The next prime is 249368747. The reversal of 249368741 is 147863942.

249368741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 61952641 + 187416100 = 7871^2 + 13690^2 .

It is a cyclic number.

It is not a de Polignac number, because 249368741 - 2⁶ = 249368677 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249368692 and 249368701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249368747) 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, 21170 + ... + 30771.

It is an arithmetic number, because the mean of its divisors is an integer number (62356371).

Almost surely, 2^249368741 is an apocalyptic number.

It is an amenable number.

249368741 is a deficient number, since it is larger than the sum of its proper divisors (56743).

249368741 is an equidigital number, since it uses as much as digits as its factorization.

249368741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56742.

The product of its digits is 290304, while the sum is 44.

The square root of 249368741 is about 15791.4135212779. The cubic root of 249368741 is about 629.4298537071.

The spelling of 249368741 in words is "two hundred forty-nine million, three hundred sixty-eight thousand, seven hundred forty-one".