30528025003001 has 4 divisors (see below), whose sum is σ = 30539211530100. Its totient is φ = 30516838475904.

The previous prime is 30528025002989. The next prime is 30528025003087. The reversal of 30528025003001 is 10030052082503.

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 25890135415225 + 4637889587776 = 5088235^2 + 2153576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30528025003001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30528025000001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5593259456 + ... + 5593264913.

It is an arithmetic number, because the mean of its divisors is an integer number (7634802882525).

Almost surely, 2^{30528025003001} is an apocalyptic number.

It is an amenable number.

30528025003001 is a deficient number, since it is larger than the sum of its proper divisors (11186527099).

30528025003001 is a wasteful number, since it uses less digits than its factorization.

30528025003001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11186527098.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 30528025003001 its reverse (10030052082503), we get a palindrome (40558077085504).

The spelling of 30528025003001 in words is "thirty trillion, five hundred twenty-eight billion, twenty-five million, three thousand, one".