71425163 has 2 divisors, whose sum is σ = 71425164. Its totient is φ = 71425162.

The previous prime is 71425103. The next prime is 71425187. The reversal of 71425163 is 36152417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71425163 - 2¹⁰ = 71424139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (71425103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35712581 + 35712582.

It is an arithmetic number, because the mean of its divisors is an integer number (35712582).

Almost surely, 2^71425163 is an apocalyptic number.

71425163 is a deficient number, since it is larger than the sum of its proper divisors (1).

71425163 is an equidigital number, since it uses as much as digits as its factorization.

71425163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 71425163 is about 8451.3408995259. The cubic root of 71425163 is about 414.9066669677.

The spelling of 71425163 in words is "seventy-one million, four hundred twenty-five thousand, one hundred sixty-three".