25252856103 has 4 divisors (see below), whose sum is σ = 33670474808. Its totient is φ = 16835237400.

The previous prime is 25252856093. The next prime is 25252856137. The reversal of 25252856103 is 30165825252.

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

It is not a de Polignac number, because 25252856103 - 2⁴ = 25252856087 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 (25252856143) 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, 4208809348 + ... + 4208809353.

It is an arithmetic number, because the mean of its divisors is an integer number (8417618702).

Almost surely, 2^25252856103 is an apocalyptic number.

25252856103 is a deficient number, since it is larger than the sum of its proper divisors (8417618705).

25252856103 is an equidigital number, since it uses as much as digits as its factorization.

25252856103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8417618704.

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 25252856103 in words is "twenty-five billion, two hundred fifty-two million, eight hundred fifty-six thousand, one hundred three".