25823352101 has 4 divisors (see below), whose sum is σ = 26246685804. Its totient is φ = 25400018400.

The previous prime is 25823352091. The next prime is 25823352109. The reversal of 25823352101 is 10125332852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6223632100 + 19599720001 = 78890^2 + 139999^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25823352101 is a prime.

It is a super-2 number, since 2×25823352101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25823352109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211666760 + ... + 211666881.

It is an arithmetic number, because the mean of its divisors is an integer number (6561671451).

Almost surely, 2^25823352101 is an apocalyptic number.

It is an amenable number.

25823352101 is a deficient number, since it is larger than the sum of its proper divisors (423333703).

25823352101 is an equidigital number, since it uses as much as digits as its factorization.

25823352101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423333702.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 25823352101 its reverse (10125332852), we get a palindrome (35948684953).

The spelling of 25823352101 in words is "twenty-five billion, eight hundred twenty-three million, three hundred fifty-two thousand, one hundred one".