208116025 has 24 divisors (see below), whose sum is σ = 292550720. Its totient is φ = 145592640.

The previous prime is 208116017. The next prime is 208116031. The reversal of 208116025 is 520611802.

It is not a de Polignac number, because 208116025 - 2³ = 208116017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10677 + ... + 23026.

Almost surely, 2^208116025 is an apocalyptic number.

208116025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208116025 is a deficient number, since it is larger than the sum of its proper divisors (84434695).

208116025 is a wasteful number, since it uses less digits than its factorization.

208116025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33745 (or 33740 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 208116025 is about 14426.2269842118. The cubic root of 208116025 is about 592.6093610260.

Adding to 208116025 its reverse (520611802), we get a palindrome (728727827).

The spelling of 208116025 in words is "two hundred eight million, one hundred sixteen thousand, twenty-five".