201471493 has 2 divisors, whose sum is σ = 201471494. Its totient is φ = 201471492.

The previous prime is 201471463. The next prime is 201471509. The reversal of 201471493 is 394174102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121154049 + 80317444 = 11007^2 + 8962^2 .

It is a cyclic number.

It is not a de Polignac number, because 201471493 - 2²¹ = 199374341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201471433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100735746 + 100735747.

It is an arithmetic number, because the mean of its divisors is an integer number (100735747).

Almost surely, 2^201471493 is an apocalyptic number.

It is an amenable number.

201471493 is a deficient number, since it is larger than the sum of its proper divisors (1).

201471493 is an equidigital number, since it uses as much as digits as its factorization.

201471493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 201471493 is about 14194.0654148133. The cubic root of 201471493 is about 586.2342684104.

The spelling of 201471493 in words is "two hundred one million, four hundred seventy-one thousand, four hundred ninety-three".