6523901121 has 4 divisors (see below), whose sum is σ = 8698534832. Its totient is φ = 4349267412.

The previous prime is 6523901119. The next prime is 6523901149. The reversal of 6523901121 is 1211093256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6523901121 - 2¹ = 6523901119 is a prime.

It is a super-2 number, since 2×6523901121² = 85122571673170113282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6523901191) 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, 1087316851 + ... + 1087316856.

It is an arithmetic number, because the mean of its divisors is an integer number (2174633708).

Almost surely, 2^6523901121 is an apocalyptic number.

It is an amenable number.

6523901121 is a deficient number, since it is larger than the sum of its proper divisors (2174633711).

6523901121 is a wasteful number, since it uses less digits than its factorization.

6523901121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174633710.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 6523901121 is about 80770.6699303652. The cubic root of 6523901121 is about 1868.5402470647.

Adding to 6523901121 its reverse (1211093256), we get a palindrome (7734994377).

The spelling of 6523901121 in words is "six billion, five hundred twenty-three million, nine hundred one thousand, one hundred twenty-one".