213102197 has 8 divisors (see below), whose sum is σ = 265685952. Its totient is φ = 166053600.

The previous prime is 213102173. The next prime is 213102209. The reversal of 213102197 is 791201312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213102197 - 2¹⁴ = 213085813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383704 + ... + 1383857.

It is an arithmetic number, because the mean of its divisors is an integer number (33210744).

Almost surely, 2^213102197 is an apocalyptic number.

It is an amenable number.

213102197 is a deficient number, since it is larger than the sum of its proper divisors (52583755).

213102197 is a wasteful number, since it uses less digits than its factorization.

213102197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767579.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 213102197 is about 14598.0203109874. The cubic root of 213102197 is about 597.3047600051.

The spelling of 213102197 in words is "two hundred thirteen million, one hundred two thousand, one hundred ninety-seven".