10200252521 has 2 divisors, whose sum is σ = 10200252522. Its totient is φ = 10200252520.

The previous prime is 10200252487. The next prime is 10200252533. The reversal of 10200252521 is 12525200201.

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., 8347380496 + 1852872025 = 91364^2 + 43045^2 .

It is a cyclic number.

It is not a de Polignac number, because 10200252521 - 2¹⁰ = 10200251497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10200252493 and 10200252502.

It is not a weakly prime, because it can be changed into another prime (10200222521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100126260 + 5100126261.

It is an arithmetic number, because the mean of its divisors is an integer number (5100126261).

Almost surely, 2^10200252521 is an apocalyptic number.

It is an amenable number.

10200252521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10200252521 is an equidigital number, since it uses as much as digits as its factorization.

10200252521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 10200252521 its reverse (12525200201), we get a palindrome (22725452722).

The spelling of 10200252521 in words is "ten billion, two hundred million, two hundred fifty-two thousand, five hundred twenty-one".