2871521953 has 2 divisors, whose sum is σ = 2871521954. Its totient is φ = 2871521952.

The previous prime is 2871521929. The next prime is 2871521959. The reversal of 2871521953 is 3591251782.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2275576209 + 595945744 = 47703^2 + 24412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2871521953 - 2⁵ = 2871521921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2871521959) 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, 1435760976 + 1435760977.

It is an arithmetic number, because the mean of its divisors is an integer number (1435760977).

Almost surely, 2^2871521953 is an apocalyptic number.

It is an amenable number.

2871521953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2871521953 is an equidigital number, since it uses as much as digits as its factorization.

2871521953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The square root of 2871521953 is about 53586.5837033861. The cubic root of 2871521953 is about 1421.3598612704.

The spelling of 2871521953 in words is "two billion, eight hundred seventy-one million, five hundred twenty-one thousand, nine hundred fifty-three".