47097473 has 2 divisors, whose sum is σ = 47097474. Its totient is φ = 47097472.

The previous prime is 47097451. The next prime is 47097481. The reversal of 47097473 is 37479074.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23980609 + 23116864 = 4897^2 + 4808^2 .

It is a cyclic number.

It is not a de Polignac number, because 47097473 - 2⁸ = 47097217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47097473.

It is not a weakly prime, because it can be changed into another prime (47097433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23548736 + 23548737.

It is an arithmetic number, because the mean of its divisors is an integer number (23548737).

Almost surely, 2^47097473 is an apocalyptic number.

It is an amenable number.

47097473 is a deficient number, since it is larger than the sum of its proper divisors (1).

47097473 is an equidigital number, since it uses as much as digits as its factorization.

47097473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 47097473 is about 6862.7598675751. The cubic root of 47097473 is about 361.1319131282.

The spelling of 47097473 in words is "forty-seven million, ninety-seven thousand, four hundred seventy-three".