25430462105 has 4 divisors (see below), whose sum is σ = 30516554532. Its totient is φ = 20344369680.

The previous prime is 25430462069. The next prime is 25430462111. The reversal of 25430462105 is 50126403452.

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 8072663104 + 17357799001 = 89848^2 + 131749^2 .

It is not a de Polignac number, because 25430462105 - 2¹⁴ = 25430445721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2543046206 + ... + 2543046215.

It is an arithmetic number, because the mean of its divisors is an integer number (7629138633).

Almost surely, 2^25430462105 is an apocalyptic number.

It is an amenable number.

25430462105 is a deficient number, since it is larger than the sum of its proper divisors (5086092427).

25430462105 is an equidigital number, since it uses as much as digits as its factorization.

25430462105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5086092426.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25430462105 its reverse (50126403452), we get a palindrome (75556865557).

The spelling of 25430462105 in words is "twenty-five billion, four hundred thirty million, four hundred sixty-two thousand, one hundred five".