218060825 has 12 divisors (see below), whose sum is σ = 270579408. Its totient is φ = 174330000.

The previous prime is 218060807. The next prime is 218060833. The reversal of 218060825 is 528060812.

It is not a de Polignac number, because 218060825 - 2⁸ = 218060569 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 218060791 and 218060800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65450 + ... + 68700.

It is an arithmetic number, because the mean of its divisors is an integer number (22548284).

Almost surely, 2^218060825 is an apocalyptic number.

218060825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

218060825 is a deficient number, since it is larger than the sum of its proper divisors (52518583).

218060825 is a wasteful number, since it uses less digits than its factorization.

218060825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 218060825 is about 14766.8827109854. The cubic root of 218060825 is about 601.9021347297.

The spelling of 218060825 in words is "two hundred eighteen million, sixty thousand, eight hundred twenty-five".