208528941 has 4 divisors (see below), whose sum is σ = 278038592. Its totient is φ = 139019292.

The previous prime is 208528939. The next prime is 208528949. The reversal of 208528941 is 149825802.

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 not a de Polignac number, because 208528941 - 2¹ = 208528939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208528941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208528949) 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, 34754821 + ... + 34754826.

It is an arithmetic number, because the mean of its divisors is an integer number (69509648).

Almost surely, 2^208528941 is an apocalyptic number.

It is an amenable number.

208528941 is a deficient number, since it is larger than the sum of its proper divisors (69509651).

208528941 is an equidigital number, since it uses as much as digits as its factorization.

208528941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69509650.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 208528941 is about 14440.5311882908. The cubic root of 208528941 is about 593.0010275380.

The spelling of 208528941 in words is "two hundred eight million, five hundred twenty-eight thousand, nine hundred forty-one".