30525089 has 12 divisors (see below), whose sum is σ = 35603568. Its totient is φ = 26094600.

The previous prime is 30525083. The next prime is 30525113. The reversal of 30525089 is 98052503.

It is a happy number.

It is not a de Polignac number, because 30525089 - 2¹² = 30520993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30525083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27434 + ... + 28524.

It is an arithmetic number, because the mean of its divisors is an integer number (2966964).

Almost surely, 2^30525089 is an apocalyptic number.

It is an amenable number.

30525089 is a deficient number, since it is larger than the sum of its proper divisors (5078479).

30525089 is a wasteful number, since it uses less digits than its factorization.

30525089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 30525089 is about 5524.9514929997. The cubic root of 30525089 is about 312.5256350170.

The spelling of 30525089 in words is "thirty million, five hundred twenty-five thousand, eighty-nine".