217000652 has 12 divisors (see below), whose sum is σ = 414274056. Its totient is φ = 98636640.

The previous prime is 217000633. The next prime is 217000669. The reversal of 217000652 is 256000712.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2465873 + ... + 2465960.

It is an arithmetic number, because the mean of its divisors is an integer number (34522838).

Almost surely, 2^217000652 is an apocalyptic number.

217000652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

217000652 is a deficient number, since it is larger than the sum of its proper divisors (197273404).

217000652 is a wasteful number, since it uses less digits than its factorization.

217000652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931848 (or 4931846 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 217000652 is about 14730.9419929616. The cubic root of 217000652 is about 600.9251025387.

The spelling of 217000652 in words is "two hundred seventeen million, six hundred fifty-two", and thus it is an aban number.