197019 has 8 divisors (see below), whose sum is σ = 291920. Its totient is φ = 131328.

The previous prime is 197009. The next prime is 197023. The reversal of 197019 is 910791.

It is not a de Polignac number, because 197019 - 2⁴ = 197003 is a prime.

It is a super-2 number, since 2×197019² = 77632972722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 7297 = 197019 / (1 + 9 + 7 + 0 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196983 and 197001.

It is not an unprimeable number, because it can be changed into a prime (197009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3622 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (36490).

2¹⁹⁷⁰¹⁹ is an apocalyptic number.

197019 is a deficient number, since it is larger than the sum of its proper divisors (94901).

197019 is an equidigital number, since it uses as much as digits as its factorization.

197019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7306 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 567, while the sum is 27.

The square root of 197019 is about 443.8682236881. The cubic root of 197019 is about 58.1883492461.

It can be divided in two parts, 1 and 97019, that added together give a triangular number (97020 = T₄₄₀).

The spelling of 197019 in words is "one hundred ninety-seven thousand, nineteen".