25403120202413 has 2 divisors, whose sum is σ = 25403120202414. Its totient is φ = 25403120202412.

The previous prime is 25403120202391. The next prime is 25403120202419. The reversal of 25403120202413 is 31420202130452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23025535071049 + 2377585131364 = 4798493^2 + 1541942^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25403120202413 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25403120202419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12701560101206 + 12701560101207.

It is an arithmetic number, because the mean of its divisors is an integer number (12701560101207).

Almost surely, 2^{25403120202413} is an apocalyptic number.

It is an amenable number.

25403120202413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25403120202413 is an equidigital number, since it uses as much as digits as its factorization.

25403120202413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 25403120202413 its reverse (31420202130452), we get a palindrome (56823322332865).

The spelling of 25403120202413 in words is "twenty-five trillion, four hundred three billion, one hundred twenty million, two hundred two thousand, four hundred thirteen".