71143403 has 2 divisors, whose sum is σ = 71143404. Its totient is φ = 71143402.

The previous prime is 71143381. The next prime is 71143417. The reversal of 71143403 is 30434117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71143403 - 2⁶ = 71143339 is a prime.

It is a super-2 number, since 2×71143403² = 10122767580840818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71143433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35571701 + 35571702.

It is an arithmetic number, because the mean of its divisors is an integer number (35571702).

Almost surely, 2^71143403 is an apocalyptic number.

71143403 is a deficient number, since it is larger than the sum of its proper divisors (1).

71143403 is an equidigital number, since it uses as much as digits as its factorization.

71143403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 71143403 is about 8434.6548832777. The cubic root of 71143403 is about 414.3603694747.

The spelling of 71143403 in words is "seventy-one million, one hundred forty-three thousand, four hundred three".