71532863 has 2 divisors, whose sum is σ = 71532864. Its totient is φ = 71532862.

The previous prime is 71532847. The next prime is 71532869. The reversal of 71532863 is 36823517.

It is a strong prime.

It is an emirp because it is prime and its reverse (36823517) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71532863 - 2⁴ = 71532847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71532869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35766431 + 35766432.

It is an arithmetic number, because the mean of its divisors is an integer number (35766432).

Almost surely, 2^71532863 is an apocalyptic number.

71532863 is a deficient number, since it is larger than the sum of its proper divisors (1).

71532863 is an equidigital number, since it uses as much as digits as its factorization.

71532863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 71532863 is about 8457.7102693341. The cubic root of 71532863 is about 415.1151042792.

The spelling of 71532863 in words is "seventy-one million, five hundred thirty-two thousand, eight hundred sixty-three".