71641303 has 2 divisors, whose sum is σ = 71641304. Its totient is φ = 71641302.

The previous prime is 71641261. The next prime is 71641313. The reversal of 71641303 is 30314617.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71641303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71641313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35820651 + 35820652.

It is an arithmetic number, because the mean of its divisors is an integer number (35820652).

Almost surely, 2^71641303 is an apocalyptic number.

71641303 is a deficient number, since it is larger than the sum of its proper divisors (1).

71641303 is an equidigital number, since it uses as much as digits as its factorization.

71641303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 71641303 is about 8464.1185601337. The cubic root of 71641303 is about 415.3247624808.

The spelling of 71641303 in words is "seventy-one million, six hundred forty-one thousand, three hundred three".