253968043 has 8 divisors (see below), whose sum is σ = 290926080. Its totient is φ = 217179240.

The previous prime is 253968007. The next prime is 253968053. The reversal of 253968043 is 340869352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253968043 - 2¹³ = 253959851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253967987 and 253968005.

It is not an unprimeable number, because it can be changed into a prime (253968053) 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 7 ways as a sum of consecutive naturals, for example, 39073 + ... + 45106.

It is an arithmetic number, because the mean of its divisors is an integer number (36365760).

Almost surely, 2^253968043 is an apocalyptic number.

253968043 is a deficient number, since it is larger than the sum of its proper divisors (36958037).

253968043 is an equidigital number, since it uses as much as digits as its factorization.

253968043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84617.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 253968043 is about 15936.3748387141. The cubic root of 253968043 is about 633.2759923771.

The spelling of 253968043 in words is "two hundred fifty-three million, nine hundred sixty-eight thousand, forty-three".