25813052207 has 8 divisors (see below), whose sum is σ = 26168156784. Its totient is φ = 25458997888.

The previous prime is 25813052203. The next prime is 25813052261. The reversal of 25813052207 is 70225031852.

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

It is a cyclic number.

It is not a de Polignac number, because 25813052207 - 2² = 25813052203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25813052203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213008 + ... + 311445.

It is an arithmetic number, because the mean of its divisors is an integer number (3271019598).

Almost surely, 2^25813052207 is an apocalyptic number.

25813052207 is a deficient number, since it is larger than the sum of its proper divisors (355104577).

25813052207 is an equidigital number, since it uses as much as digits as its factorization.

25813052207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525129.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 25813052207 in words is "twenty-five billion, eight hundred thirteen million, fifty-two thousand, two hundred seven".