2571051121 has 4 divisors (see below), whose sum is σ = 2580333172. Its totient is φ = 2561769072.

The previous prime is 2571051103. The next prime is 2571051157. The reversal of 2571051121 is 1211501752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312900721 + 2258150400 = 17689^2 + 47520^2 .

It is a cyclic number.

It is not a de Polignac number, because 2571051121 - 2⁹ = 2571050609 is a prime.

It is a super-2 number, since 2×2571051121² = 13220607733590713282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2571055121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4640610 + ... + 4641163.

It is an arithmetic number, because the mean of its divisors is an integer number (645083293).

Almost surely, 2^2571051121 is an apocalyptic number.

It is an amenable number.

2571051121 is a deficient number, since it is larger than the sum of its proper divisors (9282051).

2571051121 is an equidigital number, since it uses as much as digits as its factorization.

2571051121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9282050.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 2571051121 is about 50705.5334357109. The cubic root of 2571051121 is about 1369.9463848519.

Adding to 2571051121 its reverse (1211501752), we get a palindrome (3782552873).

The spelling of 2571051121 in words is "two billion, five hundred seventy-one million, fifty-one thousand, one hundred twenty-one".