25130220502013 has 4 divisors (see below), whose sum is σ = 27414786002208. Its totient is φ = 22845655001820.

The previous prime is 25130220502003. The next prime is 25130220502021. The reversal of 25130220502013 is 31020502203152.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25130220502013 - 2¹² = 25130220497917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25130220502003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1142282750081 + ... + 1142282750102.

It is an arithmetic number, because the mean of its divisors is an integer number (6853696500552).

Almost surely, 2^{25130220502013} is an apocalyptic number.

It is an amenable number.

25130220502013 is a deficient number, since it is larger than the sum of its proper divisors (2284565500195).

25130220502013 is a wasteful number, since it uses less digits than its factorization.

25130220502013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284565500194.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 25130220502013 its reverse (31020502203152), we get a palindrome (56150722705165).

The spelling of 25130220502013 in words is "twenty-five trillion, one hundred thirty billion, two hundred twenty million, five hundred two thousand, thirteen".