197017069 has 2 divisors, whose sum is σ = 197017070. Its totient is φ = 197017068.

The previous prime is 197017003. The next prime is 197017123. The reversal of 197017069 is 960710791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192155044 + 4862025 = 13862^2 + 2205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197017069 is a prime.

It is a super-2 number, since 2×197017069² = 77631450954701522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197017169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98508534 + 98508535.

It is an arithmetic number, because the mean of its divisors is an integer number (98508535).

Almost surely, 2^197017069 is an apocalyptic number.

It is an amenable number.

197017069 is a deficient number, since it is larger than the sum of its proper divisors (1).

197017069 is an equidigital number, since it uses as much as digits as its factorization.

197017069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 40.

The square root of 197017069 is about 14036.2768923956. The cubic root of 197017069 is about 581.8815914252.

The spelling of 197017069 in words is "one hundred ninety-seven million, seventeen thousand, sixty-nine".