25043330413 has 2 divisors, whose sum is σ = 25043330414. Its totient is φ = 25043330412.

The previous prime is 25043330401. The next prime is 25043330441. The reversal of 25043330413 is 31403334052.

It is an a-pointer prime, because the next prime (25043330441) can be obtained adding 25043330413 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19684651204 + 5358679209 = 140302^2 + 73203^2 .

It is a cyclic number.

It is not a de Polignac number, because 25043330413 - 2²⁹ = 24506459501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25043330443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12521665206 + 12521665207.

It is an arithmetic number, because the mean of its divisors is an integer number (12521665207).

Almost surely, 2^25043330413 is an apocalyptic number.

It is an amenable number.

25043330413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25043330413 is an equidigital number, since it uses as much as digits as its factorization.

25043330413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 25043330413 its reverse (31403334052), we get a palindrome (56446664465).

The spelling of 25043330413 in words is "twenty-five billion, forty-three million, three hundred thirty thousand, four hundred thirteen".