25510005413 has 2 divisors, whose sum is σ = 25510005414. Its totient is φ = 25510005412.

The previous prime is 25510005347. The next prime is 25510005497. The reversal of 25510005413 is 31450001552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17020594369 + 8489411044 = 130463^2 + 92138^2 .

It is a cyclic number.

It is not a de Polignac number, because 25510005413 - 2¹⁸ = 25509743269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25510025413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755002706 + 12755002707.

It is an arithmetic number, because the mean of its divisors is an integer number (12755002707).

Almost surely, 2^25510005413 is an apocalyptic number.

It is an amenable number.

25510005413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25510005413 is an equidigital number, since it uses as much as digits as its factorization.

25510005413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 25510005413 its reverse (31450001552), we get a palindrome (56960006965).

The spelling of 25510005413 in words is "twenty-five billion, five hundred ten million, five thousand, four hundred thirteen".