201071293 has 2 divisors, whose sum is σ = 201071294. Its totient is φ = 201071292.

The previous prime is 201071279. The next prime is 201071303. The reversal of 201071293 is 392170102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166461604 + 34609689 = 12902^2 + 5883^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201071293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201071263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100535646 + 100535647.

It is an arithmetic number, because the mean of its divisors is an integer number (100535647).

Almost surely, 2^201071293 is an apocalyptic number.

It is an amenable number.

201071293 is a deficient number, since it is larger than the sum of its proper divisors (1).

201071293 is an equidigital number, since it uses as much as digits as its factorization.

201071293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 201071293 is about 14179.9609660958. The cubic root of 201071293 is about 585.8458487470.

The spelling of 201071293 in words is "two hundred one million, seventy-one thousand, two hundred ninety-three".