47182393 has 2 divisors, whose sum is σ = 47182394. Its totient is φ = 47182392.

The previous prime is 47182351. The next prime is 47182409. The reversal of 47182393 is 39328174.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35676729 + 11505664 = 5973^2 + 3392^2 .

It is a cyclic number.

It is not a de Polignac number, because 47182393 - 2²⁵ = 13627961 is a prime.

It is not a weakly prime, because it can be changed into another prime (47182493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23591196 + 23591197.

It is an arithmetic number, because the mean of its divisors is an integer number (23591197).

Almost surely, 2^47182393 is an apocalyptic number.

It is an amenable number.

47182393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47182393 is an equidigital number, since it uses as much as digits as its factorization.

47182393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 47182393 is about 6868.9440964387. The cubic root of 47182393 is about 361.3488314098.

The spelling of 47182393 in words is "forty-seven million, one hundred eighty-two thousand, three hundred ninety-three".