47471357 has 2 divisors, whose sum is σ = 47471358. Its totient is φ = 47471356.

The previous prime is 47471273. The next prime is 47471449. The reversal of 47471357 is 75317474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45778756 + 1692601 = 6766^2 + 1301^2 .

It is a cyclic number.

It is not a de Polignac number, because 47471357 - 2¹⁶ = 47405821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47471357.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47471257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23735678 + 23735679.

It is an arithmetic number, because the mean of its divisors is an integer number (23735679).

Almost surely, 2^47471357 is an apocalyptic number.

It is an amenable number.

47471357 is a deficient number, since it is larger than the sum of its proper divisors (1).

47471357 is an equidigital number, since it uses as much as digits as its factorization.

47471357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82320, while the sum is 38.

The square root of 47471357 is about 6889.9460810662. The cubic root of 47471357 is about 362.0850125421.

The spelling of 47471357 in words is "forty-seven million, four hundred seventy-one thousand, three hundred fifty-seven".