197286005 has 12 divisors (see below), whose sum is σ = 275395500. Its totient is φ = 135281664.

The previous prime is 197285999. The next prime is 197286053. The reversal of 197286005 is 500682791.

197286005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 66618244 + 130667761 = 8162^2 + 11431^2 .

It is not a de Polignac number, because 197286005 - 2⁶ = 197285941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197286005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402380 + ... + 402869.

It is an arithmetic number, because the mean of its divisors is an integer number (22949625).

Almost surely, 2^197286005 is an apocalyptic number.

It is an amenable number.

197286005 is a deficient number, since it is larger than the sum of its proper divisors (78109495).

197286005 is an equidigital number, since it uses as much as digits as its factorization.

197286005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805268 (or 805261 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 197286005 is about 14045.8536586425. The cubic root of 197286005 is about 582.1462347510.

The spelling of 197286005 in words is "one hundred ninety-seven million, two hundred eighty-six thousand, five".