12525305413 has 2 divisors, whose sum is σ = 12525305414. Its totient is φ = 12525305412.

The previous prime is 12525305399. The next prime is 12525305473. The reversal of 12525305413 is 31450352521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8137302849 + 4388002564 = 90207^2 + 66242^2 .

It is a cyclic number.

It is not a de Polignac number, because 12525305413 - 2¹³ = 12525297221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12525305473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262652706 + 6262652707.

It is an arithmetic number, because the mean of its divisors is an integer number (6262652707).

Almost surely, 2^12525305413 is an apocalyptic number.

It is an amenable number.

12525305413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12525305413 is an equidigital number, since it uses as much as digits as its factorization.

12525305413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 12525305413 its reverse (31450352521), we get a palindrome (43975657934).

The spelling of 12525305413 in words is "twelve billion, five hundred twenty-five million, three hundred five thousand, four hundred thirteen".