10261513 has 2 divisors, whose sum is σ = 10261514. Its totient is φ = 10261512.

The previous prime is 10261487. The next prime is 10261529. The reversal of 10261513 is 31516201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10259209 + 2304 = 3203^2 + 48^2 .

It is an emirp because it is prime and its reverse (31516201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10261513 - 2⁹ = 10261001 is a prime.

It is not a weakly prime, because it can be changed into another prime (10261213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130756 + 5130757.

It is an arithmetic number, because the mean of its divisors is an integer number (5130757).

Almost surely, 2^10261513 is an apocalyptic number.

It is an amenable number.

10261513 is a deficient number, since it is larger than the sum of its proper divisors (1).

10261513 is an equidigital number, since it uses as much as digits as its factorization.

10261513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 10261513 is about 3203.3596426252. The cubic root of 10261513 is about 217.3053739632.

Adding to 10261513 its reverse (31516201), we get a palindrome (41777714).

The spelling of 10261513 in words is "ten million, two hundred sixty-one thousand, five hundred thirteen".