871608313 has 2 divisors, whose sum is σ = 871608314. Its totient is φ = 871608312.

The previous prime is 871608271. The next prime is 871608349. The reversal of 871608313 is 313806178.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 871607529 + 784 = 29523^2 + 28^2 .

It is a cyclic number.

It is not a de Polignac number, because 871608313 - 2²¹ = 869511161 is a prime.

It is not a weakly prime, because it can be changed into another prime (871608013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435804156 + 435804157.

It is an arithmetic number, because the mean of its divisors is an integer number (435804157).

Almost surely, 2^871608313 is an apocalyptic number.

It is an amenable number.

871608313 is a deficient number, since it is larger than the sum of its proper divisors (1).

871608313 is an equidigital number, since it uses as much as digits as its factorization.

871608313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 871608313 is about 29523.0132777804. The cubic root of 871608313 is about 955.2281694882.

The spelling of 871608313 in words is "eight hundred seventy-one million, six hundred eight thousand, three hundred thirteen".