25420053005 has 8 divisors (see below), whose sum is σ = 30508372224. Its totient is φ = 20333170000.

The previous prime is 25420052969. The next prime is 25420053007. The reversal of 25420053005 is 50035002452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25420053005 - 2⁶ = 25420052941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420053007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319721 + ... + 391230.

It is an arithmetic number, because the mean of its divisors is an integer number (3813546528).

Almost surely, 2^25420053005 is an apocalyptic number.

It is an amenable number.

25420053005 is a deficient number, since it is larger than the sum of its proper divisors (5088319219).

25420053005 is an equidigital number, since it uses as much as digits as its factorization.

25420053005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718107.

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 25420053005 its reverse (50035002452), we get a palindrome (75455055457).

The spelling of 25420053005 in words is "twenty-five billion, four hundred twenty million, fifty-three thousand, five".