47085197 has 2 divisors, whose sum is σ = 47085198. Its totient is φ = 47085196.

The previous prime is 47085139. The next prime is 47085217. The reversal of 47085197 is 79158074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46936201 + 148996 = 6851^2 + 386^2 .

It is a cyclic number.

It is not a de Polignac number, because 47085197 - 2⁶ = 47085133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47085397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23542598 + 23542599.

It is an arithmetic number, because the mean of its divisors is an integer number (23542599).

Almost surely, 2^47085197 is an apocalyptic number.

It is an amenable number.

47085197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47085197 is an equidigital number, since it uses as much as digits as its factorization.

47085197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 41.

The square root of 47085197 is about 6861.8654169256. The cubic root of 47085197 is about 361.1005339457.

The spelling of 47085197 in words is "forty-seven million, eighty-five thousand, one hundred ninety-seven".