197056207 has 4 divisors (see below), whose sum is σ = 197524696. Its totient is φ = 196587720.

The previous prime is 197056141. The next prime is 197056241. The reversal of 197056207 is 702650791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197056207 is a prime.

It is a super-2 number, since 2×197056207² = 77662297434453698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197056907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233613 + ... + 234454.

It is an arithmetic number, because the mean of its divisors is an integer number (49381174).

Almost surely, 2^197056207 is an apocalyptic number.

197056207 is a deficient number, since it is larger than the sum of its proper divisors (468489).

197056207 is an equidigital number, since it uses as much as digits as its factorization.

197056207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468488.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 197056207 is about 14037.6709962871. The cubic root of 197056207 is about 581.9201196840.

The spelling of 197056207 in words is "one hundred ninety-seven million, fifty-six thousand, two hundred seven".