47851369 has 2 divisors, whose sum is σ = 47851370. Its totient is φ = 47851368.

The previous prime is 47851357. The next prime is 47851381. The reversal of 47851369 is 96315874.

It is a balanced prime because it is at equal distance from previous prime (47851357) and next prime (47851381).

It can be written as a sum of positive squares in only one way, i.e., 47775744 + 75625 = 6912^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 47851369 - 2⁷ = 47851241 is a prime.

It is a super-2 number, since 2×47851369² = 4579507030348322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (47821369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23925684 + 23925685.

It is an arithmetic number, because the mean of its divisors is an integer number (23925685).

Almost surely, 2^47851369 is an apocalyptic number.

It is an amenable number.

47851369 is a deficient number, since it is larger than the sum of its proper divisors (1).

47851369 is an equidigital number, since it uses as much as digits as its factorization.

47851369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 47851369 is about 6917.4683953019. The cubic root of 47851369 is about 363.0486189865.

The spelling of 47851369 in words is "forty-seven million, eight hundred fifty-one thousand, three hundred sixty-nine".