2571722253 has 24 divisors (see below), whose sum is σ = 3970774080. Its totient is φ = 1599935040.

The previous prime is 2571722239. The next prime is 2571722281. The reversal of 2571722253 is 3522271752.

It is not a de Polignac number, because 2571722253 - 2⁵ = 2571722221 is a prime.

It is a super-2 number, since 2×2571722253² = 13227510693150792018, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571722213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143023 + ... + 159996.

It is an arithmetic number, because the mean of its divisors is an integer number (165448920).

Almost surely, 2^2571722253 is an apocalyptic number.

2571722253 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2571722253 is a deficient number, since it is larger than the sum of its proper divisors (1399051827).

2571722253 is a wasteful number, since it uses less digits than its factorization.

2571722253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303089 (or 303086 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 2571722253 is about 50712.1509403811. The cubic root of 2571722253 is about 1370.0655753860.

The spelling of 2571722253 in words is "two billion, five hundred seventy-one million, seven hundred twenty-two thousand, two hundred fifty-three".