47371393 has 2 divisors, whose sum is σ = 47371394. Its totient is φ = 47371392.

The previous prime is 47371369. The next prime is 47371403. The reversal of 47371393 is 39317374.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44249104 + 3122289 = 6652^2 + 1767^2 .

It is a cyclic number.

It is not a de Polignac number, because 47371393 - 2¹³ = 47363201 is a prime.

It is equal to p_2852668 and since 47371393 and 2852668 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (47371343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23685696 + 23685697.

It is an arithmetic number, because the mean of its divisors is an integer number (23685697).

Almost surely, 2^47371393 is an apocalyptic number.

It is an amenable number.

47371393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47371393 is an equidigital number, since it uses as much as digits as its factorization.

47371393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47628, while the sum is 37.

The square root of 47371393 is about 6882.6879197011. The cubic root of 47371393 is about 361.8306774037.

It can be divided in two parts, 47 and 371393, that multiplied together give a palindrome (17455471).

The spelling of 47371393 in words is "forty-seven million, three hundred seventy-one thousand, three hundred ninety-three".