30525305528 has 8 divisors (see below), whose sum is σ = 57234947880. Its totient is φ = 15262652760.

The previous prime is 30525305521. The next prime is 30525305563. The reversal of 30525305528 is 82550352503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×30525305528³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30525305491 and 30525305500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525305521) by changing a digit.

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 as a sum of consecutive naturals, namely, 1907831588 + ... + 1907831603.

It is an arithmetic number, because the mean of its divisors is an integer number (7154368485).

Almost surely, 2^30525305528 is an apocalyptic number.

It is an amenable number.

30525305528 is a deficient number, since it is larger than the sum of its proper divisors (26709642352).

30525305528 is a wasteful number, since it uses less digits than its factorization.

30525305528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815663197 (or 3815663193 counting only the distinct ones).

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

The spelling of 30525305528 in words is "thirty billion, five hundred twenty-five million, three hundred five thousand, five hundred twenty-eight".