25424948105 has 8 divisors (see below), whose sum is σ = 30513860232. Its totient is φ = 20337343488.

The previous prime is 25424948089. The next prime is 25424948113. The reversal of 25424948105 is 50184942452.

It can be written as a sum of positive squares in 4 ways, for example, as 1224790009 + 24200158096 = 34997^2 + 155564^2 .

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 25424948105 - 2⁴ = 25424948089 is a prime.

It is a super-2 number, since 2×25424948105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283574 + ... + 362303.

It is an arithmetic number, because the mean of its divisors is an integer number (3814232529).

Almost surely, 2^25424948105 is an apocalyptic number.

It is an amenable number.

25424948105 is a deficient number, since it is larger than the sum of its proper divisors (5088912127).

25424948105 is an equidigital number, since it uses as much as digits as its factorization.

25424948105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653755.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 25424948105 in words is "twenty-five billion, four hundred twenty-four million, nine hundred forty-eight thousand, one hundred five".