208054533 has 4 divisors (see below), whose sum is σ = 277406048. Its totient is φ = 138703020.

The previous prime is 208054531. The next prime is 208054549. The reversal of 208054533 is 335450802.

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 208054533 - 2¹ = 208054531 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 208054533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208054531) 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, 34675753 + ... + 34675758.

It is an arithmetic number, because the mean of its divisors is an integer number (69351512).

Almost surely, 2^208054533 is an apocalyptic number.

It is an amenable number.

208054533 is a deficient number, since it is larger than the sum of its proper divisors (69351515).

208054533 is an equidigital number, since it uses as much as digits as its factorization.

208054533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69351514.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 208054533 is about 14424.0955695669. The cubic root of 208054533 is about 592.5509892204.

The spelling of 208054533 in words is "two hundred eight million, fifty-four thousand, five hundred thirty-three".