871449353 has 2 divisors, whose sum is σ = 871449354. Its totient is φ = 871449352.

The previous prime is 871449349. The next prime is 871449361. The reversal of 871449353 is 353944178.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 473367049 + 398082304 = 21757^2 + 19952^2 .

It is a cyclic number.

It is not a de Polignac number, because 871449353 - 2² = 871449349 is a prime.

It is not a weakly prime, because it can be changed into another prime (871449343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435724676 + 435724677.

It is an arithmetic number, because the mean of its divisors is an integer number (435724677).

Almost surely, 2^871449353 is an apocalyptic number.

It is an amenable number.

871449353 is a deficient number, since it is larger than the sum of its proper divisors (1).

871449353 is an equidigital number, since it uses as much as digits as its factorization.

871449353 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 871449353 is about 29520.3210179022. The cubic root of 871449353 is about 955.1700958867.

The spelling of 871449353 in words is "eight hundred seventy-one million, four hundred forty-nine thousand, three hundred fifty-three".