25313129201 has 2 divisors, whose sum is σ = 25313129202. Its totient is φ = 25313129200.

The previous prime is 25313129147. The next prime is 25313129213. The reversal of 25313129201 is 10292131352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21550533601 + 3762595600 = 146801^2 + 61340^2 .

It is a cyclic number.

It is not a de Polignac number, because 25313129201 - 2¹⁰ = 25313128177 is a prime.

It is not a weakly prime, because it can be changed into another prime (25313129291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656564600 + 12656564601.

It is an arithmetic number, because the mean of its divisors is an integer number (12656564601).

Almost surely, 2^25313129201 is an apocalyptic number.

It is an amenable number.

25313129201 is a deficient number, since it is larger than the sum of its proper divisors (1).

25313129201 is an equidigital number, since it uses as much as digits as its factorization.

25313129201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 25313129201 in words is "twenty-five billion, three hundred thirteen million, one hundred twenty-nine thousand, two hundred one".