208315054 has 4 divisors (see below), whose sum is σ = 312472584. Its totient is φ = 104157526.

The previous prime is 208315043. The next prime is 208315099. The reversal of 208315054 is 450513802.

208315054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450513802 = 2 ⋅225256901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52078762 + ... + 52078765.

It is an arithmetic number, because the mean of its divisors is an integer number (78118146).

Almost surely, 2^208315054 is an apocalyptic number.

208315054 is a deficient number, since it is larger than the sum of its proper divisors (104157530).

208315054 is a wasteful number, since it uses less digits than its factorization.

208315054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104157529.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 208315054 is about 14433.1235011691. The cubic root of 208315054 is about 592.7982122043.

Adding to 208315054 its reverse (450513802), we get a palindrome (658828856).

The spelling of 208315054 in words is "two hundred eight million, three hundred fifteen thousand, fifty-four".