208253941 has 4 divisors (see below), whose sum is σ = 238004512. Its totient is φ = 178503372.

The previous prime is 208253923. The next prime is 208253951. The reversal of 208253941 is 149352802.

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, and also an emirpimes, since its reverse is a distinct semiprime: 149352802 = 2 ⋅74676401.

It is a cyclic number.

It is not a de Polignac number, because 208253941 - 2¹⁵ = 208221173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 208253897 and 208253906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208253921) 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, 14875275 + ... + 14875288.

It is an arithmetic number, because the mean of its divisors is an integer number (59501128).

Almost surely, 2^208253941 is an apocalyptic number.

It is an amenable number.

208253941 is a deficient number, since it is larger than the sum of its proper divisors (29750571).

208253941 is an equidigital number, since it uses as much as digits as its factorization.

208253941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29750570.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 208253941 is about 14431.0062365727. The cubic root of 208253941 is about 592.7402371649.

The spelling of 208253941 in words is "two hundred eight million, two hundred fifty-three thousand, nine hundred forty-one".