606981197 has 2 divisors, whose sum is σ = 606981198. Its totient is φ = 606981196.

The previous prime is 606981173. The next prime is 606981227. The reversal of 606981197 is 791189606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355473316 + 251507881 = 18854^2 + 15859^2 .

It is a cyclic number.

It is not a de Polignac number, because 606981197 - 2¹⁰ = 606980173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (606983197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303490598 + 303490599.

It is an arithmetic number, because the mean of its divisors is an integer number (303490599).

Almost surely, 2^606981197 is an apocalyptic number.

It is an amenable number.

606981197 is a deficient number, since it is larger than the sum of its proper divisors (1).

606981197 is an equidigital number, since it uses as much as digits as its factorization.

606981197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 606981197 is about 24636.9883914410. The cubic root of 606981197 is about 846.6912648284.

The spelling of 606981197 in words is "six hundred six million, nine hundred eighty-one thousand, one hundred ninety-seven".