25234321003 has 4 divisors (see below), whose sum is σ = 25234712080. Its totient is φ = 25233929928.

The previous prime is 25234321001. The next prime is 25234321037. The reversal of 25234321003 is 30012343252.

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

It is a cyclic number.

It is not a de Polignac number, because 25234321003 - 2¹ = 25234321001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25234321001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73263 + ... + 236296.

It is an arithmetic number, because the mean of its divisors is an integer number (6308678020).

Almost surely, 2^25234321003 is an apocalyptic number.

25234321003 is a deficient number, since it is larger than the sum of its proper divisors (391077).

25234321003 is an equidigital number, since it uses as much as digits as its factorization.

25234321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391076.

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 25234321003 its reverse (30012343252), we get a palindrome (55246664255).

The spelling of 25234321003 in words is "twenty-five billion, two hundred thirty-four million, three hundred twenty-one thousand, three".