10275521 has 2 divisors, whose sum is σ = 10275522. Its totient is φ = 10275520.

The previous prime is 10275479. The next prime is 10275527. The reversal of 10275521 is 12557201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6195121 + 4080400 = 2489^2 + 2020^2 .

It is a cyclic number.

It is not a de Polignac number, because 10275521 - 2²² = 6081217 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10275527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5137760 + 5137761.

It is an arithmetic number, because the mean of its divisors is an integer number (5137761).

Almost surely, 2^10275521 is an apocalyptic number.

It is an amenable number.

10275521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10275521 is an equidigital number, since it uses as much as digits as its factorization.

10275521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 10275521 is about 3205.5453514184. The cubic root of 10275521 is about 217.4042102523.

The spelling of 10275521 in words is "ten million, two hundred seventy-five thousand, five hundred twenty-one".