47113897 has 2 divisors, whose sum is σ = 47113898. Its totient is φ = 47113896.

The previous prime is 47113861. The next prime is 47113907. The reversal of 47113897 is 79831174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40908816 + 6205081 = 6396^2 + 2491^2 .

It is a cyclic number.

It is not a de Polignac number, because 47113897 - 2²³ = 38725289 is a prime.

It is not a weakly prime, because it can be changed into another prime (47113837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23556948 + 23556949.

It is an arithmetic number, because the mean of its divisors is an integer number (23556949).

Almost surely, 2^47113897 is an apocalyptic number.

It is an amenable number.

47113897 is a deficient number, since it is larger than the sum of its proper divisors (1).

47113897 is an equidigital number, since it uses as much as digits as its factorization.

47113897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 40.

The square root of 47113897 is about 6863.9563664114. The cubic root of 47113897 is about 361.1738866556.

The spelling of 47113897 in words is "forty-seven million, one hundred thirteen thousand, eight hundred ninety-seven".