47969197 has 2 divisors, whose sum is σ = 47969198. Its totient is φ = 47969196.

The previous prime is 47969179. The next prime is 47969203. The reversal of 47969197 is 79196974.

Together with previous prime (47969179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41912676 + 6056521 = 6474^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 47969197 - 2⁷ = 47969069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47969147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23984598 + 23984599.

It is an arithmetic number, because the mean of its divisors is an integer number (23984599).

Almost surely, 2^47969197 is an apocalyptic number.

It is an amenable number.

47969197 is a deficient number, since it is larger than the sum of its proper divisors (1).

47969197 is an equidigital number, since it uses as much as digits as its factorization.

47969197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 47969197 is about 6925.9798584749. The cubic root of 47969197 is about 363.3463619789.

The spelling of 47969197 in words is "forty-seven million, nine hundred sixty-nine thousand, one hundred ninety-seven".