6521150117 has 2 divisors, whose sum is σ = 6521150118. Its totient is φ = 6521150116.

The previous prime is 6521150107. The next prime is 6521150123. The reversal of 6521150117 is 7110511256.

6521150117 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6456283201 + 64866916 = 80351^2 + 8054^2 .

It is a cyclic number.

It is not a de Polignac number, because 6521150117 - 2¹⁰ = 6521149093 is a prime.

It is a super-2 number, since 2×6521150117² = 85050797696898227378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6521150117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6521150107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3260575058 + 3260575059.

It is an arithmetic number, because the mean of its divisors is an integer number (3260575059).

Almost surely, 2^6521150117 is an apocalyptic number.

It is an amenable number.

6521150117 is a deficient number, since it is larger than the sum of its proper divisors (1).

6521150117 is an equidigital number, since it uses as much as digits as its factorization.

6521150117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 29.

The square root of 6521150117 is about 80753.6384133867. The cubic root of 6521150117 is about 1868.2775676086.

The spelling of 6521150117 in words is "six billion, five hundred twenty-one million, one hundred fifty thousand, one hundred seventeen".