25424230105 has 16 divisors (see below), whose sum is σ = 31817931264. Its totient is φ = 19480343040.

The previous prime is 25424230079. The next prime is 25424230109. The reversal of 25424230105 is 50103242452.

It is not a de Polignac number, because 25424230105 - 2¹¹ = 25424228057 is a prime.

It is a super-2 number, since 2×25424230105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25424230109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830467 + ... + 860536.

It is an arithmetic number, because the mean of its divisors is an integer number (1988620704).

Almost surely, 2^25424230105 is an apocalyptic number.

It is an amenable number.

25424230105 is a deficient number, since it is larger than the sum of its proper divisors (6393701159).

25424230105 is a wasteful number, since it uses less digits than its factorization.

25424230105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691136.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 25424230105 its reverse (50103242452), we get a palindrome (75527472557).

The spelling of 25424230105 in words is "twenty-five billion, four hundred twenty-four million, two hundred thirty thousand, one hundred five".