25030001305 has 8 divisors (see below), whose sum is σ = 30037043592. Its totient is φ = 20023306368.

The previous prime is 25030001219. The next prime is 25030001341. The reversal of 25030001305 is 50310003052.

It can be written as a sum of positive squares in 4 ways, for example, as 133263936 + 24896737369 = 11544^2 + 157787^2 .

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 25030001305 - 2¹¹ = 25029999257 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 7 ways as a sum of consecutive naturals, for example, 113877 + ... + 251053.

It is an arithmetic number, because the mean of its divisors is an integer number (3754630449).

Almost surely, 2^25030001305 is an apocalyptic number.

It is an amenable number.

25030001305 is a deficient number, since it is larger than the sum of its proper divisors (5007042287).

25030001305 is a wasteful number, since it uses less digits than its factorization.

25030001305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173675.

The product of its (nonzero) digits is 450, while the sum is 19.

Adding to 25030001305 its reverse (50310003052), we get a palindrome (75340004357).

The spelling of 25030001305 in words is "twenty-five billion, thirty million, one thousand, three hundred five".