208937053 has 18 divisors (see below), whose sum is σ = 238605822. Its totient is φ = 181848240.

The previous prime is 208937033. The next prime is 208937087. The reversal of 208937053 is 350739802.

It can be written as a sum of positive squares in only one way, i.e., 144648729 + 64288324 = 12027^2 + 8018^2 .

It is a de Polignac number, because none of the positive numbers 2^k-208937053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208937033) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 990118 + ... + 990328.

It is an arithmetic number, because the mean of its divisors is an integer number (13255879).

Almost surely, 2^208937053 is an apocalyptic number.

It is an amenable number.

208937053 is a deficient number, since it is larger than the sum of its proper divisors (29668769).

208937053 is an equidigital number, since it uses as much as digits as its factorization.

208937053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 208937053 is about 14454.6550633351. The cubic root of 208937053 is about 593.3876295540.

The spelling of 208937053 in words is "two hundred eight million, nine hundred thirty-seven thousand, fifty-three".