25013108401 has 2 divisors, whose sum is σ = 25013108402. Its totient is φ = 25013108400.

The previous prime is 25013108399. The next prime is 25013108411. The reversal of 25013108401 is 10480131052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21360114801 + 3652993600 = 146151^2 + 60440^2 .

It is a cyclic number.

It is not a de Polignac number, because 25013108401 - 2¹ = 25013108399 is a prime.

Together with 25013108399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25013108411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506554200 + 12506554201.

It is an arithmetic number, because the mean of its divisors is an integer number (12506554201).

Almost surely, 2^25013108401 is an apocalyptic number.

It is an amenable number.

25013108401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25013108401 is an equidigital number, since it uses as much as digits as its factorization.

25013108401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 25013108401 its reverse (10480131052), we get a palindrome (35493239453).

The spelling of 25013108401 in words is "twenty-five billion, thirteen million, one hundred eight thousand, four hundred one".