249555041 has 4 divisors (see below), whose sum is σ = 249592512. Its totient is φ = 249517572.

The previous prime is 249555029. The next prime is 249555043. The reversal of 249555041 is 140555942.

It is a happy number.

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 249555041 - 2¹⁰ = 249554017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 249554992 and 249555010.

It is not an unprimeable number, because it can be changed into a prime (249555043) 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, 5741 + ... + 23066.

It is an arithmetic number, because the mean of its divisors is an integer number (62398128).

Almost surely, 2^249555041 is an apocalyptic number.

It is an amenable number.

249555041 is a deficient number, since it is larger than the sum of its proper divisors (37471).

249555041 is an equidigital number, since it uses as much as digits as its factorization.

249555041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37470.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 249555041 is about 15797.3111952636. The cubic root of 249555041 is about 629.5865608544.

The spelling of 249555041 in words is "two hundred forty-nine million, five hundred fifty-five thousand, forty-one".