2571732349 has 2 divisors, whose sum is σ = 2571732350. Its totient is φ = 2571732348.

The previous prime is 2571732313. The next prime is 2571732389. The reversal of 2571732349 is 9432371752.

2571732349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1737389124 + 834343225 = 41682^2 + 28885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2571732349 is a prime.

It is a super-2 number, since 2×2571732349² = 13227614549786115602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2571732389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1285866174 + 1285866175.

It is an arithmetic number, because the mean of its divisors is an integer number (1285866175).

Almost surely, 2^2571732349 is an apocalyptic number.

It is an amenable number.

2571732349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2571732349 is an equidigital number, since it uses as much as digits as its factorization.

2571732349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 2571732349 is about 50712.2504825018. The cubic root of 2571732349 is about 1370.0673682396.

The spelling of 2571732349 in words is "two billion, five hundred seventy-one million, seven hundred thirty-two thousand, three hundred forty-nine".