208160525 has 6 divisors (see below), whose sum is σ = 258119082. Its totient is φ = 166528400.

The previous prime is 208160507. The next prime is 208160543. The reversal of 208160525 is 525061802.

It is an interprime number because it is at equal distance from previous prime (208160507) and next prime (208160543).

It can be written as a sum of positive squares in 3 ways, for example, as 2553604 + 205606921 = 1598^2 + 14339^2 .

It is a de Polignac number, because none of the positive numbers 2^k-208160525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4163186 + ... + 4163235.

It is an arithmetic number, because the mean of its divisors is an integer number (43019847).

Almost surely, 2^208160525 is an apocalyptic number.

208160525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208160525 is a deficient number, since it is larger than the sum of its proper divisors (49958557).

208160525 is an equidigital number, since it uses as much as digits as its factorization.

208160525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326431 (or 8326426 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 208160525 is about 14427.7692315895. The cubic root of 208160525 is about 592.6515958599.

The spelling of 208160525 in words is "two hundred eight million, one hundred sixty thousand, five hundred twenty-five".