30528005525003 has 4 divisors (see below), whose sum is σ = 34889149171440. Its totient is φ = 26166861878568.

The previous prime is 30528005524927. The next prime is 30528005525021. The reversal of 30528005525003 is 30052550082503.

It is a happy number.

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 30528005525003 - 2⁸ = 30528005524747 is a prime.

It is a super-2 number, since 2×30528005525003² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30528005525093) 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, 2180571823208 + ... + 2180571823221.

It is an arithmetic number, because the mean of its divisors is an integer number (8722287292860).

Almost surely, 2^{30528005525003} is an apocalyptic number.

30528005525003 is a deficient number, since it is larger than the sum of its proper divisors (4361143646437).

30528005525003 is an equidigital number, since it uses as much as digits as its factorization.

30528005525003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361143646436.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 30528005525003 in words is "thirty trillion, five hundred twenty-eight billion, five million, five hundred twenty-five thousand, three".